A viewset for viewing and editing Polity Populations.

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            "description": " People.<br>Egypt (5 m), Levant (0.5m) and Syria (1.5m) in 1300 CE. §REF§(McEvedy and Jones 1978)§REF§<br>Demographic decline from 1348 CE (plague). §REF§(Raymond 2000, 116)§REF§<br>Population of Egypt 4 million in 1348 CE. §REF§(Raymond 2000, 120)§REF§<br>Suggested estimates: 5-6 million in 1300 CE, 3.5 million in 1400 CE; 3.2 million in 1500 CE§REF§(Korotayev Andrey. Personal Communication to Jill Levine, Dan Hoyer, and Peter Turchin. May 2020.)§REF§<br>Famines in Egypt§REF§(Nicolle 2014) Nicolle, D. 2014 Mamluk Askar 1250-1517. Osprey Publishing Ltd.§REF§<br>1284 CE, 1295 CE, 1296 CE, 1335 CE",
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                "id": 232,
                "name": "EgMamBh",
                "start_year": 1260,
                "end_year": 1348,
                "long_name": "Egypt - Mamluk Sultanate I",
                "new_name": "eg_mamluk_sultanate_1",
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                "general_description": "The Mamluk Sultanate has two possible start dates: 1250 CE, when the last Ayyubid ruler in Egypt was deposed, or ten years later, once a period of disorder that included an attack from the Mongols had ended. Baybars (sultan from 1260 to 1277 CE) killed the first two Mamluk sultans after victories on the battlefield and, as a statesman and organizer, was 'the real founder of the Mamluk state'. §REF§ (Hrbek 1977, 39-67) Ivan Hrbek. 1977. 'Egypt, Nubia and the Eastern Deserts', in <i>The Cambridge History of Africa, Volume 3: From c. 1050 to c. 1600</i>, edited by Roland Oliver, 10-97. Cambridge: Cambridge University Press. §REF§  The sultans of the Bahri Dynasty or 'Dawlat al-Atrak' (Empire of the Turks) §REF§ (Hrbek 1977, 41) Ivan Hrbek. 1977. 'Egypt, Nubia and the Eastern Deserts', in <i>The Cambridge History of Africa, Volume 3: From c. 1050 to c. 1600</i>, edited by Roland Oliver, 10-97. Cambridge: Cambridge University Press. §REF§  - so-called because the rulers were of Turkish origin - oversaw a new climax of sociopolitical development, wealth and splendour in Egypt, which peaked under the reign of Sultan Nasiri §REF§ (Raymond 2000, 137) André Raymond. 2000. <i>Cairo</i>. Cambridge, MA: Harvard University Press. §REF§  before plague arrived in Alexandria in 1347 CE. §REF§ (Hrbek 1977, 39-67) Ivan Hrbek. 1977. 'Egypt, Nubia and the Eastern Deserts', in <i>The Cambridge History of Africa, Volume 3: From c. 1050 to c. 1600</i>, edited by Roland Oliver, 10-97. Cambridge: Cambridge University Press. §REF§  We end our early Mamluk Sultanate period in 1348 CE, a year when crisis struck Egypt.<br>The traditional chronological division of the Mamluk Sultanate into Bahri (Turkish) and Burji (Circassian) periods is not followed here because, according to the historian André Raymond, these periods 'correspond to no fundamental changes in the organization of the Mamluk state'. §REF§ (Raymond 2000, 116-17) André Raymond. 2000. <i>Cairo</i>. Cambridge, MA: Harvard University Press. §REF§  We have chosen to split the sultanate in 1348 and 1412 CE instead in recognition of the crisis period following the Bahri period of prosperity. After the 'great plague epidemic' of 1348, Mamluk troops were defeated by the Turco-Mongol conqueror Tamerlane (Timur) at the end of the 14th century, and, in 1403, the sultanate faced another political crisis and the 'disastrous reign of Faraj'. §REF§ (Raymond 2000, 116-17) André Raymond. 2000. <i>Cairo</i>. Cambridge, MA: Harvard University Press. §REF§  The final Burji period began in 1412 CE and, while known for 'a return to normality and periods of brilliance', was marked by demographic decline. §REF§ (Raymond 2000, 116-17) André Raymond. 2000. <i>Cairo</i>. Cambridge, MA: Harvard University Press. §REF§ <br><i>Population and political organization</i><br>Since the children of mamluks could by law never become mamluks, §REF§ (Oliver and Atmore 2001, 16) Roland Oliver and Anthony Atmore. 2001. <i>Medieval Africa, 1250-1800</i>. Cambridge: Cambridge University Press. §REF§  the Mamluk Sultanate was in every generation ruled by a foreign 'slave-elite' that had to be constantly replaced by new 'slave' recruits imported, educated, promoted, and manumitted specifically for the role. Manumission was essential because under Islamic law no slave could be sovereign. The sultan performed a ritual manumission at his inaugural ceremony but the legal manumission would usually have occurred when he was about 18 years old, following the mamluk training. §REF§ (Hrbek 1977, 39-67) Ivan Hrbek. 1977. 'Egypt, Nubia and the Eastern Deserts', in <i>The Cambridge History of Africa, Volume 3: From c. 1050 to c. 1600</i>, edited by Roland Oliver, 10-97. Cambridge: Cambridge University Press. §REF§  In the Bahri period the Mamluks were of Turkish origin (like those recruited by the last Ayyubid sultan), but later sultans recruited mostly Circassians from the Caucasus. §REF§ (Raymond 2000, 112) André Raymond. 2000. <i>Cairo</i>. Cambridge, MA: Harvard University Press. §REF§  Mamluk recruits were employed in the central government, the military and as governors in the provinces. While promotion to the highest echelons of the government and military was 'granted according to precise rules', succession to the highest position - the Sultanate itself - was often a chaotic contest in which 'seniority, merit, cabal, intrigue, or violence' all jostled for prominence. §REF§ (Raymond 2000, 113-14) André Raymond. 2000. <i>Cairo</i>. Cambridge, MA: Harvard University Press. §REF§  Nevertheless, the deck was stacked such that from 1290 to 1382 CE, the sultanate was inherited by 17 different descendants of Sultan Qalawun. §REF§ (Raymond 2000, 114) André Raymond. 2000. <i>Cairo</i>. Cambridge, MA: Harvard University Press. §REF§ <br>The Mamluk sultan ruled from Cairo and during his absence from the capital, Egypt was governed by his viceroy, the <i>na'ib al-saltana</i>. §REF§ (Raymond 2000, 152) André Raymond. 2000. <i>Cairo</i>. Cambridge, MA: Harvard University Press. §REF§  The bureaucracy did not tightly control the countryside. Rather, influence was projected informally through<i> 'iqta</i> holdings (allotments of land along with the right to their tax revenue) - first used in Egypt during the preceding Ayyubid Dynasty period. These were assigned as a way to remunerate the slave soldiers of the centrally organized professional military, §REF§ (Lapidus 2012, 250) Ira M. Lapidus. 2012. <i>Islamic Societies to the Nineteenth Century: A Global History</i>. Cambridge: Cambridge University Press. §REF§  as well as more formally through the na'ib, governor of a <i>mamlaka</i> administrative district. §REF§ (Drory 2004, 169) Joseph Drory. 2004. 'Some Remarks Concerning Safed and the Organization of the Region in the Mamluk period', in <i>The Mamluks in Egyptian and Syrian Politics and Society</i>, edited by Michael Winter and Amalia Levanoni, 163-90. Leiden: Brill. §REF§  The Mamluk elite controlled the appointment of 'judges, legal administrators, professors, Sufi shaykhs, prayer leaders, and other Muslim officials. They paid the salaries of religious personnel, endowed their schools, and thus brought the religious establishment into a state bureaucracy'. §REF§ (Lapidus 2012, 249) Ira M. Lapidus. 2012. <i>Islamic Societies to the Nineteenth Century: A Global History</i>. Cambridge: Cambridge University Press. §REF§  In Cairo, Islamic law was kept by three traditional magistracies called <i>qadi</i> (pl. <i>qudah</i>), whose courts had a wide remit over civil law. A law-enforcement official called the chief of the sergeant of the watch oversaw <i>wulah</i> (sg. <i>wali</i>) policemen who kept watch at night and also fought fires. §REF§ (Raymond 2000, 153) André Raymond. 2000. <i>Cairo</i>. Cambridge, MA: Harvard University Press. §REF§ <br><i>Revenue and Resources</i><br>The Bahri Dynasty was highly effective at drawing revenue. In the 14th century CE, the annual revenue was 9.5 million dinars, which was 'higher than at almost any other time since the Arab conquest'. §REF§ (Raymond 2000, 116) André Raymond. 2000. <i>Cairo</i>. Cambridge, MA: Harvard University Press. §REF§  This paid for the Al-Barid postal system initiated by Baybars (1260‒1277 CE), which was extremely expensive to set up. Horses were used for first time on routes such as Cairo to Qus in Upper Egypt; and Cairo to Alexandria, Damietta and Syria. §REF§ (Silverstein 2007, 173) A. J. Silverstein. 2007. <i>Postal Systems in the Pre-Modern Islamic World</i>. Cambridge: Cambridge University Press. §REF§  The Syrian region of the Mamluk Sultanate was run by a chief governor, who had governors below him. §REF§ (Drory 2004, 169) Joseph Drory. 2004. 'Some Remarks Concerning Safed and the Organization of the Region in the Mamluk period', in <i>The Mamluks in Egyptian and Syrian Politics and Society</i>, edited by Michael Winter and Amalia Levanoni, 163-90. Leiden: Brill. §REF§  Imperial communications via Palestine were reportedly so efficient that 'Baybars boasted that he could play polo in Cairo and Damascus in the same week, while an even more rapid carrier-pigeon post was maintained between the two cities'. §REF§ (Oliver and Atmore 2001, 17) Roland Oliver and Anthony Atmore. 2001. <i>Medieval Africa, 1250-1800</i>. Cambridge: Cambridge University Press. §REF§ <br>The Mamluk rulers continued the tradition of dedicating much effort and resources to what might be termed public works projects, for which they largely used corvée labour. §REF§ (Dols 1977, 152) M. W. Dols. 1977. <i>The Black Death In The Middle East</i>. Princeton, NJ: Princeton University Press. §REF§  §REF§ (Hrbek 1977, 39-67) Ivan Hrbek. 1977. 'Egypt, Nubia and the Eastern Deserts', in <i>The Cambridge History of Africa, Volume 3: From c. 1050 to c. 1600</i>, edited by Roland Oliver, 10-97. Cambridge: Cambridge University Press. §REF§  In addition to a permanent medical staff, lecture halls and laboratories, a hospital established by Sultan Qalaun (1279‒1290 CE) included a library stocked with books on medicine, theology and law. §REF§ (Dols 1977, 177) M. W. Dols. 1977. <i>The Black Death In The Middle East</i>. Princeton, NJ: Princeton University Press. §REF§  The Mamluks followed Ayyubid precedents when they embarked on an 'intense period of construction' in the first century of their rule, with building projects initiated by governors, generals, generals, rich merchants and judges. §REF§ (Lapidus 2012, 248) Ira M. Lapidus. 2012. <i>Islamic Societies to the Nineteenth Century: A Global History</i>. Cambridge: Cambridge University Press. §REF§  André Raymond has identified 54 mosques and madrasas built in the 1293‒1340 CE period alone. §REF§ (Raymond 2000, 120) André Raymond. 2000. <i>Cairo</i>. Cambridge, MA: Harvard University Press. §REF§  The Mamluks also built many 'tombs for venerated Muslim ancestors and for deceased rulers'. §REF§ (Lapidus 2012, 249) Ira M. Lapidus. 2012. <i>Islamic Societies to the Nineteenth Century: A Global History</i>. Cambridge: Cambridge University Press. §REF§ <br>Private wealth was extensive at this time and the Karimi merchant and banking families operated fleets and agencies from China to Africa. §REF§ (Oliver and Atmore 2001, 19) Roland Oliver and Anthony Atmore. 2001. <i>Medieval Africa, 1250-1800</i>. Cambridge: Cambridge University Press. §REF§  Cairo's population was probably under 200,000 in the mid-14th century (only Constantinople could claim a great population in Western Eurasia), §REF§ (Raymond 2000, 136-37) André Raymond. 2000. <i>Cairo</i>. Cambridge, MA: Harvard University Press. §REF§  and the sultanate as a whole reached about 6-7 million people. §REF§ (McEvedy and Jones, 1978, 138-47, 227) Colin McEvedy and Richard Jones. 1978. <i>Atlas of World Population History</i>. London: Allen Lane. §REF§  This would have fluctuated, however, as severe bouts of famine struck Egypt in 1284, 1295, 1296 and 1335 CE. §REF§ (Nicolle 2014, 11-12) David Nicolle. 2014. <i>Mamluk 'Askari 1250-1517</i>. Oxford: Osprey Publishing. §REF§ ",
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                    "id": 5,
                    "name": "Upper Egypt",
                    "subregion": "Northeastern Africa",
                    "longitude": "32.714706000000",
                    "latitude": "25.725715000000",
                    "capital_city": "Luxor",
                    "nga_code": "EG",
                    "fao_country": "Egypt",
                    "world_region": "Africa"
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            "id": 505,
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            "polity": {
                "id": 13,
                "name": "MxEpicl",
                "start_year": 650,
                "end_year": 899,
                "long_name": "Epiclassic Basin of Mexico",
                "new_name": "mx_basin_of_mexico_8",
                "polity_tag": "LEGACY",
                "general_description": "The Basin or Valley of Mexico is a highlands plateau in central Mexico roughly corresponding to modern-day Mexico City. Here, we are interested in the phase of its prehistory known as the Epiclassic or Late Classic period (c. 650-899 CE). In this period, Teotihuacan had diminished in size and lost its hold over the region; at the same time, none of the major centres at the time matched it: the populations of Cantona, Xochicalco, and Cacaxtla likely did not surpass 25-30,000. §REF§ (Carballo 2019: pers. comm. to E. Cioni and G. Nazzaro) §REF§  Worship of the feathered snake became widespread throughout Mesoamerica, as indicated by the broad distribution of artistic representations of this deity or culture hero, and there was a renewed emphasis on human sacrifice in both ritual practice and artistic expression. §REF§ (Evans 2012: 123-124) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/AN5IUQ7X\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/AN5IUQ7X</a>. §REF§ ",
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                "home_nga": {
                    "id": 27,
                    "name": "Basin of Mexico",
                    "subregion": "Mexico",
                    "longitude": "-99.130000000000",
                    "latitude": "19.430000000000",
                    "capital_city": "Ciudad de Mexico",
                    "nga_code": "MX",
                    "fao_country": "Mexico",
                    "world_region": "North America"
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        {
            "id": 604,
            "year_from": 705,
            "year_to": 705,
            "description": " People.<br>37,000,000: 705 CE; 41,400,000: 726 CE; 48,000,000: 740 CE; 52,800,000: 754 CE. \"of this, 75 per cent was still north of the Yangtse.\" §REF§(Rodzinski 1979, 129)§REF§<br>AD: 37,000,000 inferred at 700 CE from the data available.",
            "note": null,
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            "polity": {
                "id": 261,
                "name": "CnTangE",
                "start_year": 617,
                "end_year": 763,
                "long_name": "Tang Dynasty I",
                "new_name": "cn_tang_dyn_1",
                "polity_tag": "LEGACY",
                "general_description": "The Tang Dynasty is widely considered a cultural and political high point of imperial China. The dynasty was founded by Li Yuan, the Duke of Tang, when the threat of insurrection forced the previous Sui dynasty court to flee from Luoyang, the capital, to Yangzhou. Li Yuan marched to Luoyang and seized the abandoned capital in 618 CE. §REF§ (Benn 2002, 1) Charles Benn. 2002. <i>China's Golden Age: Everyday Life in the Tang Dynasty</i>. Oxford: Oxford University Press. §REF§  He became the first emperor of the Tang dynasty (r. 618-626 CE) and is posthumously known as Gaozu. Under the Early Tang Dynasty, the capital was moved from Chang'an to Luoyang. §REF§ (Lewis 2009, 37) Mark Edward Lewis. 2009. <i>China's Cosmopolitan Empire: The Tang Dynasty</i>. Cambridge, MA: Harvard University Press. §REF§  We divide the Dynasty into an Early period (618-763 CE) and Late period (763-907 CE), separated by the decline in imperial authority and instability of experienced by the Tang in the 750s, culminating in the An Lushan rebellion to close out the Early period (755‒763 CE).<br>Under Early Tang leadership, China's territory expanded considerably. Conquered territories included large areas of Central Asia and northern Korea (Koguryō). §REF§ (Benn 2002, 2) Charles Benn. 2002. <i>China's Golden Age: Everyday Life in the Tang Dynasty</i>. Oxford: Oxford University Press. §REF§  In later years, however, China pursued a defensive, non-expansionist policy towards groups on the steppe and frontier. §REF§ (Benn 2002, 8) Charles Benn. 2002. <i>China's Golden Age: Everyday Life in the Tang Dynasty</i>. Oxford: Oxford University Press. §REF§ <br>The dynasty, also known as the Tang (T'ang) Empire or Li Dynasty, is famous for its poetry, literature, increased trade and general cosmopolitanism. §REF§ (Lewis 2009, 1) Mark Edward Lewis. 2009. <i>China's Cosmopolitan Empire: The Tang Dynasty</i>. Cambridge, MA: Harvard University Press. §REF§  In 660 CE, Empress Wu became the first woman to rule China, first governing as a regent to her young son and later ruling as empress dowager and regent until her death in 705 CE. §REF§ (Lewis 2009, 4-7) Mark Edward Lewis. 2009. <i>China's Cosmopolitan Empire: The Tang Dynasty</i>. Cambridge, MA: Harvard University Press. §REF§  Emperor Xuanzong's 44-year reign (712‒756 CE) ushered in a cultural and economic golden age, which declined as he aged and ended in rebellion and an overthrow of the dynasty. §REF§ (Benn 2002, 8-10) Charles Benn. 2002. <i>China's Golden Age: Everyday Life in the Tang Dynasty</i>. Oxford: Oxford University Press. §REF§ <br><i>Population and political organization</i><br>Emperor Gaozu worked to restore control of the imperial government that had been established by the Sui Dynasty, and founded frontier garrisons controlled directly by the capital. §REF§ (Benn 2002, 3) Charles Benn. 2002. <i>China's Golden Age: Everyday Life in the Tang Dynasty</i>. Oxford: Oxford University Press. §REF§  The Tang instituted the much discussed 'equal fields' system, in which land owned by the state was parcelled out in equal allotments to citizens in return for taxation. The Tang also minted many new coins in an attempt to stabilize the economy. §REF§ (Benn 2002, 3) Charles Benn. 2002. <i>China's Golden Age: Everyday Life in the Tang Dynasty</i>. Oxford: Oxford University Press. §REF§ <br>The Early Tang imperial government was characterized by an emperor who theoretically had absolute power, but was often in practice overruled by ministers or regents. §REF§ (Rodzinski 1979, 118) Witold Rodzinski. 1979. <i>A History of China, Volume 1</i>. Oxford: Pergamon Press. §REF§  The central government was headed by three chief ministers who ran the Imperial Chancellery, Imperial Secretariat, and the Department for State Affairs. §REF§ (Rodzinski 1979, 118) Witold Rodzinski. 1979. <i>A History of China, Volume 1</i>. Oxford: Pergamon Press. §REF§  The government also included a large central and state bureaucracy, marked by the expanding use of merit examinations. §REF§ (Roberts 1996, 94) J. A. G. Roberts. 1996. <i>A History of China, Volume 1: Prehistory to c. 1800</i>. Phoenix Mill: Alan Sutton Publishing. §REF§ <br>The population of the Early Tang Dynasty is estimated at 37 million in 700 CE and increased to almost 53 million by 754 CE. §REF§ (Rodzinski 1979, 129) Witold Rodzinski. 1979. <i>A History of China, Volume 1</i>. Oxford: Pergamon Press. §REF§  In the 8th century, there were an estimated 1 million people living in Chang'an. §REF§ (Roberts 1996, 106) J. A. G. Roberts. 1996. <i>A History of China, Volume 1: Prehistory to c. 1800</i>. Phoenix Mill: Alan Sutton Publishing. §REF§",
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                "private_comment": "JR: This was previously named \"Early Tang\". However, Ruth Mostern noted that our use of \"Early Tang\" for 617-763 CE and \"Later Tang\" for 763-907 was confusing because \"Later Tang\" is used by historians to refer to a short-lived regime 923-37.",
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                "modified_date": "2024-04-15T14:36:42.507728Z",
                "home_nga": {
                    "id": 20,
                    "name": "Middle Yellow River Valley",
                    "subregion": "North China",
                    "longitude": "112.517587000000",
                    "latitude": "34.701825000000",
                    "capital_city": "Luoyang",
                    "nga_code": "CN",
                    "fao_country": "China",
                    "world_region": "East Asia"
                },
                "home_seshat_region": {
                    "id": 58,
                    "name": "North China",
                    "subregions_list": "North China without Tibet, Inner Mongolia, and Xinjiang",
                    "mac_region": {
                        "id": 4,
                        "name": "East Asia"
                    }
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                    "id": 15,
                    "text": "a new_private_comment_text new approach for polity"
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            "year_from": null,
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            "description": " People.<br>Turkey contained 1.5 million by the chalcolithic (2500 BC) and 3 million \"during the course of the full Bronze age\".§REF§(McEvedy and Jones 1978, 133) McEvedy, Colin. Jones, Richard. 1978. Atlas of World Population History. Penguin Books Ltd. London.§REF§<br>The polity territory isn't anywhere near 750,000 km2 of Anatolia. If we assume at height the polity controlled 25% of the region that would be 750,000 people. This would be a lower limit if we further suppose that the Hittite region, being the most developed, would be the most densely populated.",
            "note": null,
            "finalized": true,
            "created_date": null,
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            "name": "polity_population",
            "polity_population_from": 800000,
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            "polity": {
                "id": 162,
                "name": "TrHatOK",
                "start_year": -1650,
                "end_year": -1500,
                "long_name": "Hatti - Old Kingdom",
                "new_name": "tr_hatti_old_k",
                "polity_tag": "LEGACY",
                "general_description": "The early period of the Hittite Kingdom lasted from about 1650 to 1500 BCE and is known as the Old Kingdom. The polity emerged after a group of Indo-European speakers migrated c. 2000 BCE from either the Causasus or the Bosphorus and Dardanelles and settled on a high plateau in western Anatolia known as Hatti. §REF§ (Bryce 2002, 8) Bryce, Trevor R. 2002. Life and Society in the Hittite World. Oxford: Oxford University Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/8JSUC58W\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/8JSUC58W</a>. §REF§  §REF§ (Stephens, Jr. 1979, 46) Stephens, Jr., W. Richard. 1979. “The Rise of the Hittite Empire: A Comparison of Theories on the Origin of the State.” Mid-American Review of Sociology 4 (1): 39-55. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/2MD3WV2T\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/2MD3WV2T</a>. §REF§  The immigrants mingled with the indigenous people of Hatti and adopted many of their beliefs and customs. §REF§ (Bryce 2002, 8) Bryce, Trevor R. 2002. Life and Society in the Hittite World. Oxford: Oxford University Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/8JSUC58W\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/8JSUC58W</a>. §REF§ <br><i>Population and political organization</i><br>Before the mid-1st millennium BCE, the central Anatolian region was divided into many city-states. §REF§ (Stephens, Jr. 1979, 41-42) Stephens, Jr., W. Richard. 1979. “The Rise of the Hittite Empire: A Comparison of Theories on the Origin of the State.” Mid-American Review of Sociology 4 (1): 39-55. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/2MD3WV2T\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/2MD3WV2T</a>. §REF§  Gradually, however, the Hittites began to conquer the neighbouring cities, founding a strong state around 1650 BCE. §REF§ (Bryce 2002, 8) Bryce, Trevor R. 2002. Life and Society in the Hittite World. Oxford: Oxford University Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/8JSUC58W\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/8JSUC58W</a>. §REF§  §REF§ (Stephens, Jr. 1979, 41049) Stephens, Jr., W. Richard. 1979. “The Rise of the Hittite Empire: A Comparison of Theories on the Origin of the State.” Mid-American Review of Sociology 4 (1): 39-55. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/2MD3WV2T\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/2MD3WV2T</a>. §REF§  Labarna I (17th century BCE) was the first known Hittite king. §REF§ (Bryce 2002, 34) Bryce, Trevor R. 2002. Life and Society in the Hittite World. Oxford: Oxford University Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/8JSUC58W\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/8JSUC58W</a>. §REF§ <br>The king was the supreme ruler and military commander, a chief judge and a priest in Hittite society. §REF§ (Bryce 2007, 11) Bryce, Trevor A. 2007. Hittite Warrior. Oxford: Osprey Publishing. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/38EMV897\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/38EMV897</a>. §REF§  He entrusted the management of major cities and provinces to officials who were often directly answerable to him, §REF§ (Bryce 2002, 16) Bryce, Trevor R. 2002. Life and Society in the Hittite World. Oxford: Oxford University Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/8JSUC58W\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/8JSUC58W</a>. §REF§  and could bestow important military positions on members of his own family. §REF§ (Bryce 2007, 8-9) Bryce, Trevor A. 2007. Hittite Warrior. Oxford: Osprey Publishing. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/38EMV897\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/38EMV897</a>. §REF§  Vassal rulers were obliged to pay tribute to the king and take an oath of allegiance. §REF§ (Bryce 2002, 43) Bryce, Trevor R. 2002. Life and Society in the Hittite World. Oxford: Oxford University Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/8JSUC58W\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/8JSUC58W</a>. §REF§ ",
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                    "name": "Konya Plain",
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                    "latitude": "37.877845000000",
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                    "fao_country": "Turkey",
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            "description": " People. 5,000,000: 1045 BCE.§REF§(Liu 2005: 240) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/Q77FKW2H\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/Q77FKW2H</a>?.§REF§<br>3000 BCE about a million either side of lower Huang Ho (Longshan culture), plus 1 million food-gatherers elsewhere. In Shang period agricultural area extended 1 million KM, population had become 5 million people (6m total in China). §REF§(McEvedy and Jones 1978, 170-172)§REF§",
            "note": null,
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            "polity": {
                "id": 243,
                "name": "CnShang",
                "start_year": -1250,
                "end_year": -1045,
                "long_name": "Late Shang",
                "new_name": "cn_late_shang_dyn",
                "polity_tag": "LEGACY",
                "general_description": "The Late Shang Dynasty (1250-1045 BCE) was an extension of the Erligang culture based in Yinxu, near modern Anyang. The Late Shang were the last 12 kings of the dynasty, beginning with Pan Geng. Unlike in Erligang settlements, pottery, oracle bones and other artefacts showing a fully formed writing system have been found at Late Shang sites. This system included 'pictograms, ideograms, and phonograms'. §REF§ (San 2014, 19) San, Tan Koon. 2014. Dynastic China: An Elementary History. Malaysia: The Other Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F\" rel=\"nofollow\">https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F</a>. §REF§  The oldest written records uncovered from Shang contexts date back to 1200 BCE. §REF§ (San 2014, 19) San, Tan Koon. 2014. Dynastic China: An Elementary History. Malaysia: The Other Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F\" rel=\"nofollow\">https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F</a>. §REF§ <br>The civilization at Yinxu is considered to represent the golden age of the Shang Dynasty §REF§ (San 2014, 17) San, Tan Koon. 2014. Dynastic China: An Elementary History. Malaysia: The Other Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F\" rel=\"nofollow\">https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F</a>. §REF§  and 11 major royal tombs have been uncovered there by archaeologists. §REF§ (San 2014, 17) San, Tan Koon. 2014. Dynastic China: An Elementary History. Malaysia: The Other Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F\" rel=\"nofollow\">https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F</a>. §REF§  Pottery and bronze and jade work flourished in the Late Shang period. §REF§ (San 2014, 20) San, Tan Koon. 2014. Dynastic China: An Elementary History. Malaysia: The Other Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F\" rel=\"nofollow\">https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F</a>. §REF§  The Late Shang also had a developed calendar system with 30 days in a month and 12 months (360 days) in a year. §REF§ (Encyclopedia Britannica 2017) “Shang Dynasty.” Encyclopedia Britannica. <a class=\"external free\" href=\"https://www.britannica.com/topic/Shang-dynasty\" rel=\"nofollow\">https://www.britannica.com/topic/Shang-dynasty</a> Accessed May 29, 2017. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/8GNFD4WH\" rel=\"nofollow\">https://www.zotero.org/groups/seshat_databank/items/itemKey/8GNFD4WH</a>. §REF§ <br><i>Population and political organization</i><br>The Late Shang were based on the North China Plain. The dynasty's territory stretched north to modern Shandong, south to Hebei, and west to Henan. §REF§ (San 2014, 16) San, Tan Koon. 2014. Dynastic China: An Elementary History. Malaysia: The Other Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F\" rel=\"nofollow\">https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F</a>. §REF§  The Shang government was a feudal system in which the king and a class of military nobility ruled over the masses, who were mainly farmers. §REF§ (San 2014, 16, 21) San, Tan Koon. 2014. Dynastic China: An Elementary History. Malaysia: The Other Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F\" rel=\"nofollow\">https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F</a>. §REF§  Shang kings also served as high priests. §REF§ (San 2014, 16) San, Tan Koon. 2014. Dynastic China: An Elementary History. Malaysia: The Other Press. <a class=\"external free\" href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F\" rel=\"nofollow\">https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F</a>) §REF§  The Late Shang were in constant conflict with surrounding settlements and with civilizations from the steppe. §REF§ (San 2014, 21) San, Tan Koon. 2014. Dynastic China: An Elementary History. Malaysia: The Other Press. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F\" rel=\"nofollow\">https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F</a>. §REF§ <br>The population of the Late Shang Dynasty was around 5 million in 1045 BCE. §REF§ (McEvedy and Jones 1978, 170-72) McEvedy, Colin, and Richard Jones. 1978. Atlas of World Population History. Penguin. Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/6U4QZXCG/q/atlas%20of%20world%20population\" rel=\"nofollow\">https://www.zotero.org/groups/seshat_databank/items/itemKey/6U4QZXCG/q/atlas%20of%20world%20population</a>. §REF§  The population of the Yinxu settlement in Anyang is unknown.",
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                "modified_date": "2024-01-04T15:29:41.622565Z",
                "home_nga": {
                    "id": 20,
                    "name": "Middle Yellow River Valley",
                    "subregion": "North China",
                    "longitude": "112.517587000000",
                    "latitude": "34.701825000000",
                    "capital_city": "Luoyang",
                    "nga_code": "CN",
                    "fao_country": "China",
                    "world_region": "East Asia"
                },
                "home_seshat_region": {
                    "id": 58,
                    "name": "North China",
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                    "mac_region": {
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        {
            "id": 300,
            "year_from": -200,
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            "description": " \"Early on in the days of the Han Empire (206 BC - 220 AD) the population passed the 50m mark. But thereafter it was to stay in the band 45-60m for a thousand years.§REF§(McEvedy and Jones 1979)§REF§<br>Government census. 57,600,000 in 2 CE. 12 million family households. §REF§(Keay 2009, 144)§REF§<br>Agricultural intensification: population growth occurred in Former Han despite no increase in available arable land. Population migration to south throughout period.§REF§(Roberts 2003, 43-44)§REF§<br>60,000,000 at zenith.§REF§(Zhao 2015, 56) Zhao, Dingxin in Scheidel, Walter. ed. 2015. State Power in Ancient China and Rome. Oxford University Press.§REF§",
            "note": null,
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            "polity": {
                "id": 251,
                "name": "CnWHan*",
                "start_year": -202,
                "end_year": 9,
                "long_name": "Western Han Empire",
                "new_name": "cn_western_han_dyn",
                "polity_tag": "LEGACY",
                "general_description": "The Western Han dynasty (also known as the Former Han) was the first lasting imperial dynasty in China.§REF§ (Theobald, 2010a) Theobald, Ulrich. 2010. “Han Dynasty 206 BCE-220 CE.” Chinaknowledge.de. <a href=\"http://www.chinaknowledge.de/History/Han/han.html\">http://www.chinaknowledge.de/History/Han/han.html</a>  Seshat URL: <a href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/GJNWHHCH\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/GJNWHHCH</a>  §REF§ In 206 BCE, the first imperial Han emperor Liu Bang defeated the Qin and capture the capital of Xianyang, but was forced to yield to the rival Western Chu state.§REF§ (San 2014, 69) San, Tan Koon. 2014. Dynastic China: An Elementary History. Malaysia: The Other Press. Seshat URL: <a href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F)\">https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F)</a>  §REF§ A period of conflict between Chu and Han lasted until 202 BCE, when Liu Bang defeated the Western Chu and declared himself emperor of the Han dynasty. (San 68) He was the first commoner to become the emperor of China.§REF§ (San 2014, 69) San, Tan Koon. 2014. Dynastic China: An Elementary History. Malaysia: The Other Press. Seshat URL: <a href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F)\">https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F)</a>  §REF§<br>The seventh emperor of Han, Emperor Wu (r. 141-87 BCE), expanded the Western Han territory to modern Xinjiang and south China.§REF§ (Theobald, 2010a) Theobald, Ulrich. 2010. “Han Dynasty 206 BCE-220 CE.” Chinaknowledge.de. <a href=\"http://www.chinaknowledge.de/History/Han/han.html\">http://www.chinaknowledge.de/History/Han/han.html</a>  Seshat URL: <a href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/GJNWHHCH\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/GJNWHHCH</a>  §REF§ During Wu Di’s rule Western Han dynasty encompassed modern China, northern Vietnam, Inner Mongolia, southern Manchuria, and parts of modern Korea.§REF§ -- “Han Dynasty.” Ancient History Encyclopedia.<a href=\"http://www.ancient.eu/Han_Dynasty/\">http://www.ancient.eu/Han_Dynasty/</a>  Accessed June 12, 2017. Seshat URL: <a href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/KVCUTKIW\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/KVCUTKIW</a>  §REF§<br>The Western Han dynasty is known for its economic, technological, and artistic innovations. The opening of the Silk Road in 130 BCE linked China to Central Asia, Africa, Europe, and the Middle East.§REF§ -- “Han Dynasty.” Ancient History Encyclopedia.<a href=\"http://www.ancient.eu/Han_Dynasty/\">http://www.ancient.eu/Han_Dynasty/</a>  Accessed June 12, 2017. Seshat URL: <a href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/KVCUTKIW\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/KVCUTKIW</a>  §REF§ The state controlled the production of salt, iron, and coins, and developed waterways and irrigation.§REF§(Theobald, 2010b) Theobald, Ulrich, 2010. “Han Period Science, Technology, and Inventions.” Chinaknowledge.de. <a href=\"http://www.chinaknowledge.de/History/Han/han-tech.html\">http://www.chinaknowledge.de/History/Han/han-tech.html</a>  Seshat URL: <a href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/RU33Q6WJ/\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/RU33Q6WJ/</a> §REF§ The use of the iron plough and other iron agricultural tools became widespread.§REF§ (Theobald, 2010b) Theobald, Ulrich, 2010. “Han Period Science, Technology, and Inventions.” Chinaknowledge.de. <a href=\"http://www.chinaknowledge.de/History/Han/han-tech.html\">http://www.chinaknowledge.de/History/Han/han-tech.html</a>  Seshat URL: <a href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/RU33Q6WJ/\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/RU33Q6WJ/</a> §REF§ Han artisans developed new techniques for metalwork, spinning, weaving, wood carving and pottery.§REF§ (Theobald, 2010b) Theobald, Ulrich, 2010. “Han Period Science, Technology, and Inventions.” Chinaknowledge.de. <a href=\"http://www.chinaknowledge.de/History/Han/han-tech.html\">http://www.chinaknowledge.de/History/Han/han-tech.html</a>  Seshat URL: <a href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/RU33Q6WJ/\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/RU33Q6WJ/</a> §REF§<br>The Western Han were overthrown by Wang Mang, who ruled as the emperor of the Xin dynasty from 9-23 CE.§REF§ (Roberts 1999, 34) Roberts, John A.G. 1999. A History of China. New York: Palgrave Macmillan. Seshat URL: <a href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/H9D8H5E9\">https://www.zotero.org/groups/seshat_databank/items/itemKey/H9D8H5E9</a>  §REF§<br><i>Population and political organization</i><br>The Western Han dynasty was marked by a strong imperial government and a combination of centrally-controlled commandaries and semi-autonomous kingdoms.§REF§ (San 2014, 73) San, Tan Koon. 2014. Dynastic China: An Elementary History. Malaysia: The Other Press. Seshat URL: <a href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F)\">https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F)</a>  §REF§ The central government promoted Confucianism as a state doctrine.§REF§ (Theobald, 2010a) Theobald, Ulrich. 2010. “Han Dynasty 206 BCE-220 CE.” Chinaknowledge.de. <a href=\"http://www.chinaknowledge.de/History/Han/han.html\">http://www.chinaknowledge.de/History/Han/han.html</a>  Seshat URL: <a href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/GJNWHHCH\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/GJNWHHCH</a>  §REF§ The Western Han gradually reduced the size of the semi-autonomous kingdoms within the empire. Many kings and marquises were eventually replaced by members of the imperial clan.§REF§ (San 2014, 73) San, Tan Koon. 2014. Dynastic China: An Elementary History. Malaysia: The Other Press. Seshat URL: <a href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F)\">https://www.zotero.org/groups/seshat_databank/items/itemKey/TB95WB7F)</a>  §REF§ Commanderies were ruled a civil governor and military governor and were divided into counties or districts.§REF§ (Theobald, 2010a) Theobald, Ulrich. 2010. “Han Dynasty 206 BCE-220 CE.” Chinaknowledge.de. <a href=\"http://www.chinaknowledge.de/History/Han/han.html\">http://www.chinaknowledge.de/History/Han/han.html</a>  Seshat URL: <a href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/GJNWHHCH\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/GJNWHHCH</a>  §REF§<br>An imperial academy was established in 124 BCE. Qualification through Confucian examinations slowly replaced hereditary assignment of government positions.§REF§ (Roberts 1999, 34) Roberts, John A.G. 1999. A History of China. New York: Palgrave Macmillan. Seshat URL: <a href=\"https://www.zotero.org/groups/seshat_databank/items/itemKey/H9D8H5E9\">https://www.zotero.org/groups/seshat_databank/items/itemKey/H9D8H5E9</a>  §REF§ Although exams were used only sporadically due to the significantly aristocratic society of this period. §REF§(Mostern, Ruth. Personal Communication to Jill Levine, Dan Hoyer, and Peter Turchin. April 2020. Email)§REF§<br><br/>The population of the Western Han empire was 57.6 million in 2 CE§REF§ (Keay 2009, 144) Keay, J. 2009. China, A History, HarperPress, London. Seshat URL: <a href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/Z4ACHZRD\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/Z4ACHZRD</a>  §REF§, and 60 million at its peak.§REF§ (Zhao 2015, 56) Zhao, Dingxin in Scheidel, Walter. ed. 2015. State Power in Ancient China and Rome. Oxford University Press. Seshat URL:<a href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/QBD9EVZQ\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/QBD9EVZQ</a>  §REF§ The Western Han capital of Chang’an was home to between 250,000 and 400,000 people. §REF§ (Chase-Dunn spreadsheet)§REF§§REF§(Loewe 1986 a ) Loewe, M. 1986a. \"The Former Han,\" in Twitchett and Loewe (eds.) The Cambridge History of China. Vol. I: The Qi'in and Han Empires, 221 BC - 220 AD. Cambridge. Seshat URL: <a href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/7NCDWJJ2\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/7NCDWJJ2</a>  §REF§",
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                    "id": 20,
                    "name": "Middle Yellow River Valley",
                    "subregion": "North China",
                    "longitude": "112.517587000000",
                    "latitude": "34.701825000000",
                    "capital_city": "Luoyang",
                    "nga_code": "CN",
                    "fao_country": "China",
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                    "id": 58,
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            "id": 395,
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            "description": " People.",
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            "polity": {
                "id": 472,
                "name": "IqSoNeo",
                "start_year": -9000,
                "end_year": -5501,
                "long_name": "Southern Mesopotamia Neolithic",
                "new_name": "iq_so_mesopotamia_nl",
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                "general_description": "",
                "shapefile_name": null,
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                "home_nga": {
                    "id": 8,
                    "name": "Southern Mesopotamia",
                    "subregion": "Levant-Mesopotamia",
                    "longitude": "44.420000000000",
                    "latitude": "32.470000000000",
                    "capital_city": "Babylon (Hillah)",
                    "nga_code": "IQ",
                    "fao_country": "Iraq",
                    "world_region": "Southwest Asia"
                },
                "home_seshat_region": {
                    "id": 62,
                    "name": "Mesopotamia",
                    "subregions_list": "Iraq, Kuwait",
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        },
        {
            "id": 687,
            "year_from": 1920,
            "year_to": 1920,
            "description": " The population of Mexico grew steadily between 1810-1920. §REF§(“Data on Mexico,”) “Data on Mexico,” Clio Infra, accessed September 8, 2022, https://clio-infra.eu/Countries/Mexico.html. https://www.zotero.org/groups/1051264/seshat_databank/items/9DPFMY2T§REF§ ",
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            "name": "Polity_population",
            "polity_population_from": 14900000,
            "polity_population_to": 14900000,
            "polity": {
                "id": 569,
                "name": "mx_mexico_1",
                "start_year": 1810,
                "end_year": 1920,
                "long_name": "Early United Mexican States",
                "new_name": "mx_mexico_1",
                "polity_tag": "LEGACY",
                "general_description": "<br>'''General'''<br>This tumultuous and violent period marked by revolution and war begins following the downfall of the rule of ‘New Spain’ and the Spanish monarchy, and the Mexican Wars of Independence. “In April 1808, as French forces marched into Madrid, a sequel at Aranjuez seemed to succeed. By May, Napoleon held both Spanish Bourbons captive in Bayonne. The fall of the Spanish monarchy to its invasive ally set the stage for Mexico City’s summer of politics. Spain’s empire and New Spain would never be the same.”§REF§(Tutino 2018: 150) Tutino, John. 2018. Mexico City, 1808: Power Sovereignty, and Silver in an Age of War and Revolution. Albuquerque: University of New Mexico Press. https://www.zotero.org/groups/1051264/seshat_databank/items/Z5SZU2AP§REF§ “Then escalating conflicts exploded in insurgencies in September of 1810. Authorities set in power by armed force faced a people in arms. Unprecedented violence drove political conflicts begun by provincial elites while tens of thousands took arms to claim the necessities of survival in the core regions of silver capitalism. The regime of mediation disabled by the coup of 1808 dissolved in political and social violence beginning in 1810. Silver capitalism broke quickly. As conflicts continued, Spain’s empire fell as New Spain became Mexico in 1821.”§REF§(Tutino 2018: 230) Tutino, John. 2018. Mexico City, 1808: Power Sovereignty, and Silver in an Age of War and Revolution. Albuquerque: University of New Mexico Press. https://www.zotero.org/groups/1051264/seshat_databank/items/Z5SZU2AP§REF§ “Mexico was born in political and social violence, every faction proclaiming a vision of popular sovereignty backed by armed power. In that conflictive process, the silver economy and regime of mediation that for  centuries had made New Spain wealthy, stable, and central to global capitalism were destroyed. The Mexican nation that emerged would be plagued by violence and instability unknown in New Spain before the crises and transformations of 1808–1810.”§REF§(Tutino 2018: 248) Tutino, John. 2018. Mexico City, 1808: Power Sovereignty, and Silver in an Age of War and Revolution. Albuquerque: University of New Mexico Press. https://www.zotero.org/groups/1051264/seshat_databank/items/Z5SZU2AP§REF§  “The new nation that came out of the conflicts of 1808 to 1821, briefly a Mexican monarchy, then a republic from 1824, searched simultaneously for a new polity and a new economy.”§REF§(Tutino 2018: 252) Tutino, John. 2018. Mexico City, 1808: Power Sovereignty, and Silver in an Age of War and Revolution. Albuquerque: University of New Mexico Press. https://www.zotero.org/groups/1051264/seshat_databank/items/Z5SZU2AP§REF§  <br>This polity is bookend by the Mexican Revolution (1910-1920)<br>'''Politics'''<br>“Political instability continued for decades after independence. From 1821 to 1867, Mexico had 56 administrations (Ponzio, 2005), and in the 55 years between independence and the Porfi riato, the presidency changed hands 75 times as a result of the continuous struggle between the conservative and liberal factions (Haber, 1989). In contrast, the United States had 13 administrations in the 52 years between 1817 and 1869 (Ponzio, 2005). Between 1824 and 1867, the average term of a president in Mexico was 15 months, 7 months for both the ministers of war and justice, and less than 5 months for the ministers of finance and foreign relations (Ponzio, 2005). The generalized episodes of civil unrest and violence reduced the population, disrupted mining and agricultural production, and severely curtailed trade and communications, thus further fragmenting the linkages among different regions. In addition, the struggle for independence brought about a temporary dismantling of the monetary union. A particularly disastrous consequence of the prolonged civil strife was the loss to the United States of half of Mexico’s national territory in the mid-19th century.”§REF§(Moreno-Brid and Ros 2009: 31-32) Moreno-Brid, Juan Carlos and Ros, Jaime. 2009. Development and Growth in the Mexican Economy: A Historical Perspective. Oxford: Oxford University Press. https://www.zotero.org/groups/1051264/seshat_databank/items/PZXKGTTV§REF§<br>“Porfirio Díaz’s [r. 1884-1910] first re-election to the presidency in 1884 marked a significant watershed in the political evolution of the regime. As a foretaste of what was to come, Díaz was unopposed in the election. Thereafter, a dual process of consolidation and transformation took place in the regime. While many of the mechanisms and tactics of political pragmatism continued to be employed in the attempt to mediate and manage factional divisions, the personal and patriarchal authority of the president at the apex of the hierarchy of power became gradually consolidated, and increasingly uncontested… Although the regime became increasingly centralized and authoritarian, nevertheless important constraints existed on presidential authority. In other words, Díaz never enjoyed the absolute political control that his critics have argued, because the process of centralization and consolidation was always contested, challenged and resisted at a variety of levels. Political factionalism, dissidence, and rebellion remained constant during the era.”§REF§(Garner 2011: 297-298) Garner, Paul. 2011. “The Civilian and the General, 1867–1911,” in A Companion to Mexican History and Culture, ed. William H. Beezley. Chichester: Wiley-Blackwell. 288–301. https://www.zotero.org/groups/1051264/seshat_databank/items/EMSG558V§REF§",
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                    "id": 23,
                    "name": "Mexico",
                    "subregions_list": "Mexico",
                    "mac_region": {
                        "id": 7,
                        "name": "North America"
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        },
        {
            "id": 385,
            "year_from": null,
            "year_to": null,
            "description": " People. Data from Mauryan Empire. The Sunga Dynasty was in effect the continuation of the Mauryan Empire as it was established in a coup by the Mauryan general Pushyamitra Sunga (Roy 2015, 19).§REF§(Roy 2015: 19) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/35K9MMUW\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/35K9MMUW</a>.§REF§",
            "note": null,
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            "polity": {
                "id": 385,
                "name": "InSunga",
                "start_year": -187,
                "end_year": -65,
                "long_name": "Magadha - Sunga Empire",
                "new_name": "in_sunga_emp",
                "polity_tag": "LEGACY",
                "general_description": "This period begins with the ascension of Puṣyamitra Shunga in 187 BCE.<br>The Shunga Empire territory was about 4 million km2, encompassing central and eastern India. The polity population is considered to be anywhere between 18 and 100 million at varying times, while the population of the largest settlement, likely the imperial capital of Pataliputra, may have up to 270 thousand inhabitants.<br>There were four main settlement types during this period: the imperial capital of Pataliputra, large secondary centres such as Taxila, Mathura, Brita, smaller town-like settlements, and villages.<br>The main religion practiced in this polity was Hinduism. Shunga rulers in particular are said to have practiced an ‘aggressive’ Vedic Hinduism, which according to Buddhist sources, led to their monks being persecuted.",
                "shapefile_name": null,
                "private_comment": "JR: Adding \"Magadha\" to the name for clarity",
                "created_date": null,
                "modified_date": "2024-06-06T09:15:04.165798Z",
                "home_nga": {
                    "id": 14,
                    "name": "Middle Ganga",
                    "subregion": "Indo-Gangetic Plain",
                    "longitude": "82.700000000000",
                    "latitude": "25.750000000000",
                    "capital_city": "Jaunpur",
                    "nga_code": "UTPR",
                    "fao_country": "India",
                    "world_region": "South Asia"
                },
                "home_seshat_region": {
                    "id": 40,
                    "name": "Southern South Asia",
                    "subregions_list": "Southern India and Sri Lanka",
                    "mac_region": {
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        {
            "id": 539,
            "year_from": null,
            "year_to": null,
            "description": " People.<br>Turkey contained 1.5 million by the chalcolithic (2500 BC) and 3 million \"during the course of the full Bronze age\".§REF§(McEvedy and Jones 1978, 133) McEvedy, Colin. Jones, Richard. 1978. Atlas of World Population History. Penguin Books Ltd. London.§REF§<br>The polity territory isn't anywhere near 750,000 km2 of Anatolia. If we assume at this time the polity controlled 10% of the region that would be 300,000 people. This would be a lower limit if we further suppose that the Hittite region, being the most developed, would be the most densely populated.<br>",
            "note": null,
            "finalized": true,
            "created_date": null,
            "modified_date": null,
            "tag": "TRS",
            "is_disputed": false,
            "is_uncertain": false,
            "expert_reviewed": true,
            "drb_reviewed": null,
            "name": "polity_population",
            "polity_population_from": 300000,
            "polity_population_to": 400000,
            "polity": {
                "id": 163,
                "name": "TrBrzL2",
                "start_year": -1500,
                "end_year": -1400,
                "long_name": "Konya Plain - Late Bronze Age II",
                "new_name": "tr_konya_lba",
                "polity_tag": "LEGACY",
                "general_description": "The period of 1500-1400 BCE was an 'intermediate period' for the Hittite people that is sometimes referred to as the Middle Kingdom, which existed before the Empire period of the New Kingdom. §REF§ (Gurney 1952, 25) O R Gurney. 1952.<i>The Hittites</i>. Penguin. §REF§ <br>According to McEvedy and Jones (1978) the population of the whole of Turkey was about 1.5 million by the Chalcolithic era (2500 BC) and reached 3 million \"during the course of the full Bronze age\". §REF§ (McEvedy and Jones 1978, 133) Colin McEvedy. Richard Jones. Atlas of World Population History. Penguin Books Ltd. London. §REF§  However, the area corresponding to Hittite control at this time was just a fraction of the 750,000 km2 of Anatolia, so it is unlikely there were more than a million Hittites, possibly much less.<br>As a time of troubles, not much is known about the Middle Kingdom of the Hittites, but by around 1450 CE Hantili II is noted for building achievements being \"responsible for the first extensive fortification of the capital\" Hattusa. §REF§ (Bryce 2002, 30) Bryce T. 2002. Life and Society in the Hittite World, New York: Oxford University Press. §REF§ ",
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                "home_nga": {
                    "id": 11,
                    "name": "Konya Plain",
                    "subregion": "Anatolia-Caucasus",
                    "longitude": "32.521164000000",
                    "latitude": "37.877845000000",
                    "capital_city": "Konya",
                    "nga_code": "TR",
                    "fao_country": "Turkey",
                    "world_region": "Southwest Asia"
                },
                "home_seshat_region": {
                    "id": 43,
                    "name": "Anatolia-Caucasus",
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                    }
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            "private_comment": {
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