Polity Population List
A viewset for viewing and editing Polity Populations.
GET /api/sc/polity-populations/?format=api&ordering=-polity_population_to
{ "count": 467, "next": "https://seshatdata.com/api/sc/polity-populations/?format=api&ordering=-polity_population_to&page=2", "previous": null, "results": [ { "id": 664, "year_from": null, "year_to": null, "description": " People. <br>", "note": null, "finalized": true, "created_date": null, "modified_date": null, "tag": "SSP", "is_disputed": false, "is_uncertain": false, "expert_reviewed": true, "drb_reviewed": null, "name": "polity_population", "polity_population_from": null, "polity_population_to": null, "polity": { "id": 22, "name": "USMisEW", "start_year": -600, "end_year": -150, "long_name": "Cahokia - Early Woodland", "new_name": "us_woodland_1", "polity_tag": "LEGACY", "general_description": "2000 BCE<div>Period of population growth begins §REF§ (Milner, Chaplin and Zavodny 2013) §REF§ </div><br>1 CE<br><div>c1 CE \"large quantities of native cultigens began to be incorporated into midcontinental diets. §REF§ (Milner, Chaplin and Zavodny 2013) §REF§ </div><br>100 CE<div>Maize appears in the archaeological record §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Atlatl is the contemporary weapon §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>\"periodic rituals at ceremonial mound centers\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>\"groups ensured access to needed resources through maintenance of alliance-exchange relationships\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ </div><br>200 CE<br>300 CE<div>Early arrowheads appear. \"Beginning A.D. 300-400, the bow replaced the atlatl in most regions\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>In the Mississippian region (Midwest and Upland South) the transition from atlatl to bow was \"relatively rapid because dart points disappear from the archaeological record\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Introduction of the bow in the Mississippi region decreased social complexity because it caused the collapse of the Hopewell system, the abandonment of mound centers and alliance-exchange relationships §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Bow enabled a new bow and native crops subsistence strategy which lead to a movement to and the effective exploitation of previously marginal lands and \"household autonomy\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>There followed an economic intensification and population growth which eventually \"packed the landscape with settlements.\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ </div>", "shapefile_name": null, "private_comment": null, "created_date": null, "modified_date": null, "home_nga": { "id": 28, "name": "Cahokia", "subregion": "Mississippi Basin", "longitude": "-90.062035000000", "latitude": "38.658938000000", "capital_city": "St. Louis", "nga_code": "USMO", "fao_country": "United States", "world_region": "North America" }, "home_seshat_region": { "id": 24, "name": "Mississippi Basin", "subregions_list": "From the Great Lakes to Louisiana", "mac_region": { "id": 7, "name": "North America" } }, "private_comment_n": { "id": 1, "text": "NO_PRIVATE_COMMENTS" } }, "comment": null, "private_comment": { "id": 1, "text": "NO_PRIVATE_COMMENTS" }, "citations": [], "curator": [] }, { "id": 665, "year_from": null, "year_to": null, "description": " People. <br>", "note": null, "finalized": true, "created_date": null, "modified_date": null, "tag": "SSP", "is_disputed": false, "is_uncertain": false, "expert_reviewed": true, "drb_reviewed": null, "name": "polity_population", "polity_population_from": null, "polity_population_to": null, "polity": { "id": 23, "name": "USMisMW", "start_year": -150, "end_year": 300, "long_name": "Cahokia - Middle Woodland", "new_name": "us_woodland_2", "polity_tag": "LEGACY", "general_description": "2000 BCE<div>Period of population growth begins §REF§ (Milner, Chaplin and Zavodny 2013) §REF§ </div><br>1 CE<br><div>c1 CE \"large quantities of native cultigens began to be incorporated into midcontinental diets. §REF§ (Milner, Chaplin and Zavodny 2013) §REF§ </div><br>100 CE<div>Maize appears in the archaeological record §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Atlatl is the contemporary weapon §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>\"periodic rituals at ceremonial mound centers\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>\"groups ensured access to needed resources through maintenance of alliance-exchange relationships\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ </div><br>200 CE<br>300 CE<div>Early arrowheads appear. \"Beginning A.D. 300-400, the bow replaced the atlatl in most regions\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>In the Mississippian region (Midwest and Upland South) the transition from atlatl to bow was \"relatively rapid because dart points disappear from the archaeological record\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Introduction of the bow in the Mississippi region decreased social complexity because it caused the collapse of the Hopewell system, the abandonment of mound centers and alliance-exchange relationships §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Bow enabled a new bow and native crops subsistence strategy which lead to a movement to and the effective exploitation of previously marginal lands and \"household autonomy\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>There followed an economic intensification and population growth which eventually \"packed the landscape with settlements.\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ </div><br><br/>", "shapefile_name": null, "private_comment": null, "created_date": null, "modified_date": null, "home_nga": { "id": 28, "name": "Cahokia", "subregion": "Mississippi Basin", "longitude": "-90.062035000000", "latitude": "38.658938000000", "capital_city": "St. Louis", "nga_code": "USMO", "fao_country": "United States", "world_region": "North America" }, "home_seshat_region": { "id": 24, "name": "Mississippi Basin", "subregions_list": "From the Great Lakes to Louisiana", "mac_region": { "id": 7, "name": "North America" } }, "private_comment_n": { "id": 1, "text": "NO_PRIVATE_COMMENTS" } }, "comment": null, "private_comment": { "id": 1, "text": "NO_PRIVATE_COMMENTS" }, "citations": [], "curator": [] }, { "id": 327, "year_from": null, "year_to": null, "description": " People. The population figures available refer to the colonial period only: 'In 1947 Chuuk's population was about 9,200. By 1988 it was more than 35,000 with a density of about 385 persons per square kilometer.' §REF§Goodenough, Ward and Skoggard 1999) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/5IETI75E\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/5IETI75E</a>.§REF§", "note": null, "finalized": true, "created_date": null, "modified_date": null, "tag": "SSP", "is_disputed": false, "is_uncertain": false, "expert_reviewed": true, "drb_reviewed": null, "name": "polity_population", "polity_population_from": null, "polity_population_to": null, "polity": { "id": 57, "name": "FmTrukE", "start_year": 1775, "end_year": 1886, "long_name": "Chuuk - Early Truk", "new_name": "fm_truk_1", "polity_tag": "LEGACY", "general_description": "The Chuuk Islands, part of what is today Micronesia, were first settled in the first century CE. §REF§ (Goodenough and Skoggard, 1999. 1) Goodenough, Ward Hunt, and Ian A. Skoggard. 1999. \"Culture Summary: Chuuk.\" New Haven, Conn.: HRAF. <a class=\"external free\" href=\"http://ehrafworldcultures.yale.edu/document?id=or19-000\" rel=\"nofollow\">http://ehrafworldcultures.yale.edu/document?id=or19-000</a>. §REF§ The name Chuuk, meaning \"high mountains\", comes from the Chuukese language. §REF§ The Editors of Encyclopædia Britannica. \"Chuuk Islands.\" Encyclopædia Britannica. August 09, 2013. Accessed June 22, 2017. <a class=\"external free\" href=\"https://www.britannica.com/place/Chuuk-Islands\" rel=\"nofollow\">https://www.britannica.com/place/Chuuk-Islands</a>. §REF§ The islands' first contact with Europeans came in 1528, when they were sighted by Spanish explorers. §REF§ The Editors of Encyclopædia Britannica. \"Chuuk Islands.\" Encyclopædia Britannica. August 09, 2013. Accessed June 22, 2017. <a class=\"external free\" href=\"https://www.britannica.com/place/Chuuk-Islands\" rel=\"nofollow\">https://www.britannica.com/place/Chuuk-Islands</a>. §REF§ In the late 19th century, the Chuuk islands became part of Spanish and German, then Japanese colonial regimes. §REF§ The Editors of Encyclopædia Britannica. \"Chuuk Islands.\" Encyclopædia Britannica. August 09, 2013. Accessed June 22, 2017. <a class=\"external free\" href=\"https://www.britannica.com/place/Chuuk-Islands\" rel=\"nofollow\">https://www.britannica.com/place/Chuuk-Islands</a>. §REF§ . After the Second World War, where the islands were a major site of conflict in the Pacific Theater, the Chuuk islands became part of the UN Trust Territory of the Pacific under US administration. §REF§ The Editors of Encyclopædia Britannica. \"Chuuk Islands.\" Encyclopædia Britannica. August 09, 2013. Accessed June 22, 2017. <a class=\"external free\" href=\"https://www.britannica.com/place/Chuuk-Islands\" rel=\"nofollow\">https://www.britannica.com/place/Chuuk-Islands</a>. §REF§ .<br><i>Population and political organization</i><br>During the pre-colonial period, Chuuk was extremely fragmented politically. Each district had its own chiefship, which was divided between the \"oldest man in the senior female line in the chiefly lineage and the oldest man in the lineage generally.\" §REF§ Goodenough, Ward and Skoggard 1999) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/5IETI75E\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/5IETI75E</a>. §REF§ <br>During the colonial period, the colonial governments superimposed a colonial administration onto the native system. They appointed head chiefs to lead each of the main Micronesian islands, but the individual communities remained fragmented. §REF§ (Bollig, 1927. 124) Bollig, Laurentius. 1927. \"Inhabitants Of The Truk Islands: Religion, Life And A Short Grammar Of A Micronesian People.\" Munster I W.: Aschendorff. <a class=\"external free\" href=\"http://ehrafworldcultures.yale.edu/document?id=or19-022\" rel=\"nofollow\">http://ehrafworldcultures.yale.edu/document?id=or19-022</a>. §REF§ <br>The only available population figures refer to the colonial period. In 1947, Chuuk's population was about 9,200. §REF§ (Goodenough and Skoggard, 1999. 1) Goodenough, Ward Hunt, and Ian A. Skoggard. 1999. \"Culture Summary: Chuuk.\" New Haven, Conn.: HRAF. <a class=\"external free\" href=\"http://ehrafworldcultures.yale.edu/document?id=or19-000\" rel=\"nofollow\">http://ehrafworldcultures.yale.edu/document?id=or19-000</a>. §REF§ ", "shapefile_name": null, "private_comment": null, "created_date": null, "modified_date": null, "home_nga": { "id": 34, "name": "Chuuk Islands", "subregion": "Micronesia", "longitude": "151.601918000000", "latitude": "7.351343000000", "capital_city": "Chuuk", "nga_code": "MI", "fao_country": "Micronesia", "world_region": "Oceania-Australia" }, "home_seshat_region": { "id": 30, "name": "Polynesia", "subregions_list": "Polynesia", "mac_region": { "id": 8, "name": "Oceania-Australia" } }, "private_comment_n": { "id": 1, "text": "NO_PRIVATE_COMMENTS" } }, "comment": null, "private_comment": { "id": 1, "text": "NO_PRIVATE_COMMENTS" }, "citations": [], "curator": [] }, { "id": 585, "year_from": null, "year_to": null, "description": null, "note": null, "finalized": true, "created_date": null, "modified_date": null, "tag": "SSP", "is_disputed": false, "is_uncertain": false, "expert_reviewed": true, "drb_reviewed": null, "name": "polity_population", "polity_population_from": null, "polity_population_to": null, "polity": { "id": 372, "name": "YeTahir", "start_year": 1454, "end_year": 1517, "long_name": "Yemen - Tahirid Dynasty", "new_name": "ye_tahirid_dyn", "polity_tag": "LEGACY", "general_description": "The Tahirid dynasty occupied and ruled modern-day Yemen between 1454 and 1517 CE, establishing a capital in al-Miqrãnah and maintaining the winter capital in Zabid as had the previous Rasulid sultans who were overthrown by the Tahirids. §REF§ (Bosworth 2014) Clifford Edmund Bosworth. 2014. The New Islamic Dynasties. Edinburgh University Press. Edinburgh. §REF§ Prominent builders, the Tahirids created schools, mosques, massive irrigation systems, roads, and bridges. §REF§ Porter, Venetia Ann (1992) The history and monuments of the Tahirid dynasty of the Yemen 858-923/1454-1517, Durham theses, Durham University, p. 183, Available at Durham E-Theses Online: <a class=\"external free\" href=\"http://etheses.dur.ac.uk/5867/\" rel=\"nofollow\">http://etheses.dur.ac.uk/5867/</a> §REF§ The polity was characterized by several battles, skirmishes, and seizures between the Zaydis and Tahirids, beginning in 1460 in Radm. Tensions culminated in 1501 when Tahirid sultan Amir commenced his four-year-long campaign to conquer the northern territories held by the Zaydi dynasty. §REF§ Porter, Venetia Ann (1992) The history and monuments of the Tahirid dynasty of the Yemen 858-923/1454-1517, Durham theses, Durham University, pp. 111-115, Available at Durham E-Theses Online: <a class=\"external free\" href=\"http://etheses.dur.ac.uk/5867/\" rel=\"nofollow\">http://etheses.dur.ac.uk/5867/</a> §REF§ <br>No population estimates were found in the consulted literature; however, the water supply in al-Miqrãnah could support 100,000 people, though it is unclear how many people lived there or in the polity. §REF§ Venetia Porter, ‘THE ARCHITECTURE OF THE TĀHIRID DYNASTY OF THE YEMEN’, Proceedings of the Seminar for Arabian Studies, Vol. 19, Proceedings of the Twenty Second SEMINAR FOR ARABIAN STUDIES held at Oxford on 26th - 28th July 1988 (1989), p. 105 §REF§ <br>Political organization was comprised of a 4-tiered settlement hierarchy, with the capital in Zabid followed by towns of various sizes. §REF§ (Stookey 1978, 122) Robert W Stookey. 1978. Yemen: The Politics of the Yemen Arab Republic. Westview Press. Boulder. §REF§ The polity was led by a sultan, who headed a central government which was then followed by a provincial line. §REF§ (Bosworth 2014) Clifford Edmund Bosworth. 2014. The New Islamic Dynasties. Edinburgh University Press. Edinburgh. §REF§ ", "shapefile_name": null, "private_comment": null, "created_date": null, "modified_date": null, "home_nga": { "id": 12, "name": "Yemeni Coastal Plain", "subregion": "Arabia", "longitude": "43.315739000000", "latitude": "14.850891000000", "capital_city": "Sanaa", "nga_code": "YE", "fao_country": "Yemen", "world_region": "Southwest Asia" }, "home_seshat_region": { "id": 44, "name": "Arabia", "subregions_list": "Arabian Peninsula", "mac_region": { "id": 11, "name": "Southwest Asia" } }, "private_comment_n": { "id": 1, "text": "NO_PRIVATE_COMMENTS" } }, "comment": null, "private_comment": { "id": 1, "text": "NO_PRIVATE_COMMENTS" }, "citations": [], "curator": [] }, { "id": 294, "year_from": null, "year_to": null, "description": " Likely unknown.", "note": null, "finalized": true, "created_date": null, "modified_date": null, "tag": "SSP", "is_disputed": false, "is_uncertain": false, "expert_reviewed": true, "drb_reviewed": null, "name": "polity_population", "polity_population_from": null, "polity_population_to": null, "polity": { "id": 543, "name": "CnPeili", "start_year": -7000, "end_year": -5001, "long_name": "Peiligang", "new_name": "cn_peiligang", "polity_tag": "LEGACY", "general_description": "The Peiligang culture existed from 7000 to 5000 BC in the Yi-Luo river basin of the Middle Yellow River Valley (modern Henan Province, China). There have been over 100 sites along river banks identified with this Neolithic culture. §REF§ (Liu, 2005. 25)Li Liu. 2005. The Chinese Neolithic: Trajectories to Early States. Cambridge University Press. §REF§ <br>Archaeologists have found bone and stone tools and ceramics from the period as well as weapons including harpoons with bone points, stone spears, and arrows which suggests evidence of the use of bows during this time.<br>The people of the Peiligang culture hunted deer and wild boar and fished using nets. Animal husbandry was also practiced, with pigs, dogs and possibly chickens being reared. §REF§ (Liu, 2005. 25)Li Liu. 2005. The Chinese Neolithic: Trajectories to Early States. Cambridge University Press. §REF§ Stone tools were used for harvesting millet. Pottery that has been unearthed – some of the oldest pottery found in China - was using for cooking and food storage.<br>Little is known about the settlements and hierarchies during this period, but archaeologists generally agree that it was an egalitarian society with little to no political organisation and that settlements were small and self-sufficient. §REF§ (Liu, 2005. 25)Li Liu. 2005. The Chinese Neolithic: Trajectories to Early States. Cambridge University Press. §REF§", "shapefile_name": null, "private_comment": "", "created_date": null, "modified_date": "2024-01-04T15:27:50.070756Z", "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" } }, "private_comment_n": { "id": 1, "text": "NO_PRIVATE_COMMENTS" } }, "comment": null, "private_comment": { "id": 1, "text": "NO_PRIVATE_COMMENTS" }, "citations": [], "curator": [] }, { "id": 666, "year_from": null, "year_to": null, "description": " People. <br>", "note": null, "finalized": true, "created_date": null, "modified_date": null, "tag": "SSP", "is_disputed": false, "is_uncertain": false, "expert_reviewed": true, "drb_reviewed": null, "name": "polity_population", "polity_population_from": null, "polity_population_to": null, "polity": { "id": 25, "name": "USMisMu", "start_year": 450, "end_year": 600, "long_name": "Cahokia - Late Woodland II", "new_name": "us_woodland_4", "polity_tag": "LEGACY", "general_description": "2000 BCE<div>Period of population growth begins §REF§ (Milner, Chaplin and Zavodny 2013) §REF§ </div><br>1 CE<br><div>c1 CE \"large quantities of native cultigens began to be incorporated into midcontinental diets. §REF§ (Milner, Chaplin and Zavodny 2013) §REF§ </div><br>100 CE<div>Maize appears in the archaeological record §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Atlatl is the contemporary weapon §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>\"periodic rituals at ceremonial mound centers\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>\"groups ensured access to needed resources through maintenance of alliance-exchange relationships\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ </div><br>200 CE<br>300 CE<div>Early arrowheads appear. \"Beginning A.D. 300-400, the bow replaced the atlatl in most regions\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>In the Mississippian region (Midwest and Upland South) the transition from atlatl to bow was \"relatively rapid because dart points disappear from the archaeological record\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Introduction of the bow in the Mississippi region decreased social complexity because it caused the collapse of the Hopewell system, the abandonment of mound centers and alliance-exchange relationships §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Bow enabled a new bow and native crops subsistence strategy which lead to a movement to and the effective exploitation of previously marginal lands and \"household autonomy\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>There followed an economic intensification and population growth which eventually \"packed the landscape with settlements.\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ </div><br>400 CE<br>500 CE<br>600 CE<div>Late arrowheads appear. \"This transition to small, thin, triangular or triangular corner-notched points has long been accepted as evidence of the bow, but variation in the morphology of late arrow point types suggest that this transition was governed by social and historical factors that varied across these regions.\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Late arrowheads may indicate the technological development of fletching as they are less heavy and thick than the early arrowheads. §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>First evidence of intergroup violence appears in the archaeological record (arrowpoints embedded in skeletons in individual and group burials). §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>No evidence for an increase in social complexity and hierarchy or deviation from the \"trend toward household autonomy\" at this time. §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>\"For the first time, there is evidence, in the form of group and individual burials with embedded arrow points, of the bow as the primary weapon of intergroup violence.\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>\"In Middle Woodland times there isn’t much evidence for warfare.\" \"Later, after about A.D. 600 there is more evidence (scalping, embedded arrow points).\" §REF§ (Peregrine/Pauketat 2014, 16) §REF§ <br>\"Population growth, reduced access to resources, sedentism, and the desire to avoid conflict made the high costs of intensified food production more attractive.\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ </div><br>\"trail networks also are important, and some of the historic east-west ones cross near Cahokia.\" §REF§ (Peregrine/Trubitt 2014, 21) §REF§ <br>Cahokia \"controlled a critical choke point in trade routes that spanned the midcontinent\" an idea that goes back to Brackenridge (1813 CE). §REF§ (Milner 2006, 12) §REF§ <br>\"The greatest environmental hazard would have been a late summer Mississippi River flood similar to the one that took place in 1993. A rise in the river at that time of the year simultaneously drowned crops, prevented easy fishing in shallow ponds, and ruined food stored in underground pits. Floods attributable to severe storms, including excessive water funnelled into the floodplain by creeks that drain the uplands, certainly caused localized disasters much like they did a century ago before effective flood-control measures were put in place.\" §REF§ (Milner 2006, 168) §REF§ <br>\"No other major site was as advantageously situated. Cahokia was located in what was by far the widest expanse of land suitable for settlement in the American Bottom. More people could live there than anywhere else ... The high ground where Cahokia was located was bordered on the north and south by large tracts of low-lying land that received the waters of different upland streams.\" §REF§ (Milner 2006, 168) §REF§ <br><br/>", "shapefile_name": null, "private_comment": null, "created_date": null, "modified_date": null, "home_nga": { "id": 28, "name": "Cahokia", "subregion": "Mississippi Basin", "longitude": "-90.062035000000", "latitude": "38.658938000000", "capital_city": "St. Louis", "nga_code": "USMO", "fao_country": "United States", "world_region": "North America" }, "home_seshat_region": { "id": 24, "name": "Mississippi Basin", "subregions_list": "From the Great Lakes to Louisiana", "mac_region": { "id": 7, "name": "North America" } }, "private_comment_n": { "id": 1, "text": "NO_PRIVATE_COMMENTS" } }, "comment": null, "private_comment": { "id": 1, "text": "NO_PRIVATE_COMMENTS" }, "citations": [], "curator": [] }, { "id": 505, "year_from": null, "year_to": null, "description": null, "note": null, "finalized": true, "created_date": null, "modified_date": null, "tag": "SSP", "is_disputed": false, "is_uncertain": false, "expert_reviewed": true, "drb_reviewed": null, "name": "polity_population", "polity_population_from": null, "polity_population_to": null, "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§ ", "shapefile_name": null, "private_comment": null, "created_date": null, "modified_date": null, "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" }, "home_seshat_region": { "id": 23, "name": "Mexico", "subregions_list": "Mexico", "mac_region": { "id": 7, "name": "North America" } }, "private_comment_n": { "id": 1, "text": "NO_PRIVATE_COMMENTS" } }, "comment": null, "private_comment": { "id": 1, "text": "NO_PRIVATE_COMMENTS" }, "citations": [], "curator": [] }, { "id": 395, "year_from": null, "year_to": null, "description": " People.", "note": null, "finalized": true, "created_date": null, "modified_date": null, "tag": "SSP", "is_disputed": false, "is_uncertain": false, "expert_reviewed": true, "drb_reviewed": null, "name": "polity_population", "polity_population_from": null, "polity_population_to": null, "polity": { "id": 472, "name": "IqSoNeo", "start_year": -9000, "end_year": -5501, "long_name": "Southern Mesopotamia Neolithic", "new_name": "iq_so_mesopotamia_nl", "polity_tag": "LEGACY", "general_description": "", "shapefile_name": null, "private_comment": null, "created_date": null, "modified_date": null, "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", "mac_region": { "id": 11, "name": "Southwest Asia" } }, "private_comment_n": { "id": 1, "text": "NO_PRIVATE_COMMENTS" } }, "comment": null, "private_comment": { "id": 1, "text": "NO_PRIVATE_COMMENTS" }, "citations": [], "curator": [] }, { "id": 584, "year_from": null, "year_to": null, "description": " in squared kilometers. \"There are no serious works on the estimates for the area and population in the Neolithic and Bronze Age Yemen\".§REF§(A. Sedov: pers. comm. to E. Cioni: September 2019)§REF§", "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": null, "polity_population_to": null, "polity": { "id": 536, "name": "YeNeoL*", "start_year": -3500, "end_year": -1201, "long_name": "Neolithic Yemen", "new_name": "ye_yemen_lnl", "polity_tag": "LEGACY", "general_description": "The Yemeni Coastal Plain or Plateau is the northwestern region of modern Yemen that lies between the Red Sea and the Yemeni Mountains. Here, we are interested in the phase of its prehistory known as the Neolithic (c. 3500-1201 BCE). Settlements at this time were small clusters of oval huts, with stone tools and stone manufacture debris but no pottery remains. §REF§ (De Maigret 2002: 120-124) Seshat URL: <a class=\"external free\" href=\"https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/X3MRZCH5\" rel=\"nofollow\">https://www.zotero.org/groups/1051264/seshat_databank/items/itemKey/X3MRZCH5</a>. §REF§ <br>No speculation could be found in the literature regarding possible forms of political organisation prevalent at the time; from an archaeological perspective, not enough is known about the few buildings that have been excavated to interpret them as having been used for administrative purposes, and the earliest known state-managed food storage structures in the region date to the third century BCE. Similarly, there are no serious works on the estimates for the area and population in the Neolithic and Bronze Age Yemen. §REF§ (A. Sedov: pers. comm. to E. Cioni: September 2019) §REF§ ", "shapefile_name": null, "private_comment": null, "created_date": null, "modified_date": null, "home_nga": { "id": 12, "name": "Yemeni Coastal Plain", "subregion": "Arabia", "longitude": "43.315739000000", "latitude": "14.850891000000", "capital_city": "Sanaa", "nga_code": "YE", "fao_country": "Yemen", "world_region": "Southwest Asia" }, "home_seshat_region": { "id": 44, "name": "Arabia", "subregions_list": "Arabian Peninsula", "mac_region": { "id": 11, "name": "Southwest Asia" } }, "private_comment_n": { "id": 1, "text": "NO_PRIVATE_COMMENTS" } }, "comment": null, "private_comment": { "id": 1, "text": "NO_PRIVATE_COMMENTS" }, "citations": [], "curator": [] }, { "id": 667, "year_from": null, "year_to": null, "description": " People. Population of the American Bottom was negligible before Sponemann-Collinsville-Loyd phase.<br>", "note": null, "finalized": true, "created_date": null, "modified_date": null, "tag": "SSP", "is_disputed": false, "is_uncertain": false, "expert_reviewed": true, "drb_reviewed": null, "name": "polity_population", "polity_population_from": null, "polity_population_to": null, "polity": { "id": 26, "name": "USMisPa", "start_year": 600, "end_year": 750, "long_name": "Cahokia - Late Woodland III", "new_name": "us_woodland_5", "polity_tag": "LEGACY", "general_description": "2000 BCE<div>Period of population growth begins §REF§ (Milner, Chaplin and Zavodny 2013) §REF§ </div><br>1 CE<br><div>c1 CE \"large quantities of native cultigens began to be incorporated into midcontinental diets. §REF§ (Milner, Chaplin and Zavodny 2013) §REF§ </div><br>100 CE<div>Maize appears in the archaeological record §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Atlatl is the contemporary weapon §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>\"periodic rituals at ceremonial mound centers\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>\"groups ensured access to needed resources through maintenance of alliance-exchange relationships\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ </div><br>200 CE<br>300 CE<div>Early arrowheads appear. \"Beginning A.D. 300-400, the bow replaced the atlatl in most regions\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>In the Mississippian region (Midwest and Upland South) the transition from atlatl to bow was \"relatively rapid because dart points disappear from the archaeological record\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Introduction of the bow in the Mississippi region decreased social complexity because it caused the collapse of the Hopewell system, the abandonment of mound centers and alliance-exchange relationships §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Bow enabled a new bow and native crops subsistence strategy which lead to a movement to and the effective exploitation of previously marginal lands and \"household autonomy\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>There followed an economic intensification and population growth which eventually \"packed the landscape with settlements.\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ </div><br>400 CE<br>500 CE<br>600 CE<div>Late arrowheads appear. \"This transition to small, thin, triangular or triangular corner-notched points has long been accepted as evidence of the bow, but variation in the morphology of late arrow point types suggest that this transition was governed by social and historical factors that varied across these regions.\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Late arrowheads may indicate the technological development of fletching as they are less heavy and thick than the early arrowheads. §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>First evidence of intergroup violence appears in the archaeological record (arrowpoints embedded in skeletons in individual and group burials). §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>No evidence for an increase in social complexity and hierarchy or deviation from the \"trend toward household autonomy\" at this time. §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>\"For the first time, there is evidence, in the form of group and individual burials with embedded arrow points, of the bow as the primary weapon of intergroup violence.\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>\"In Middle Woodland times there isn’t much evidence for warfare.\" \"Later, after about A.D. 600 there is more evidence (scalping, embedded arrow points).\" §REF§ (Peregrine/Pauketat 2014, 16) §REF§ <br>\"Population growth, reduced access to resources, sedentism, and the desire to avoid conflict made the high costs of intensified food production more attractive.\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ </div><br>700 CE<br>800 CE<div>Intensification of Maize farming begins. Higher yields from maize cultivation enables more food to be extracted from a smaller territory. §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>\"Although there is scattered evidence for corn, or maize, during Middle Woodland times, it wasn't until Late Woodland times, after AD 700-800, that it became an important food crop.\" §REF§ (Iseminger 2010, 26) §REF§ <br>Social complexity increases from this period. \"Site plans gained greater internal complexity as houses clustered into court-yard groups and, toward [1000 CE], the southern pattern of civic-ceremonial centers with large earthen mounds was established in many places. Nucleated settlements may have been a defensive response to bow warfare. Burials with embedded arrow points and sites fortified with palisades and ditches are widespread, although no present everywhere... New social roles linked to community defense, organization of labor, and communal storage of maize in secure central places laid the foundation for the increased group differentiation, competition, and hierarchy of the Mississippian period beginning A.D. 1000.\" §REF§ (Blitz and Porth 2013, 89-95) §REF§ <br>Palisades and ditches appear in the archaeological record. The first evidence of substantial intergroup warfare. §REF§ (Blitz and Porth 2013, 89-95) §REF§ </div><br>\"trail networks also are important, and some of the historic east-west ones cross near Cahokia.\" §REF§ (Peregrine/Trubitt 2014, 21) §REF§ <br>Cahokia \"controlled a critical choke point in trade routes that spanned the midcontinent\" an idea that goes back to Brackenridge (1813 CE). §REF§ (Milner 2006, 12) §REF§ <br>\"The greatest environmental hazard would have been a late summer Mississippi River flood similar to the one that took place in 1993. A rise in the river at that time of the year simultaneously drowned crops, prevented easy fishing in shallow ponds, and ruined food stored in underground pits. Floods attributable to severe storms, including excessive water funnelled into the floodplain by creeks that drain the uplands, certainly caused localized disasters much like they did a century ago before effective flood-control measures were put in place.\" §REF§ (Milner 2006, 168) §REF§ <br>\"No other major site was as advantageously situated. Cahokia was located in what was by far the widest expanse of land suitable for settlement in the American Bottom. More people could live there than anywhere else ... The high ground where Cahokia was located was bordered on the north and south by large tracts of low-lying land that received the waters of different upland streams.\" §REF§ (Milner 2006, 168) §REF§ <br><br/>", "shapefile_name": null, "private_comment": null, "created_date": null, "modified_date": null, "home_nga": { "id": 28, "name": "Cahokia", "subregion": "Mississippi Basin", "longitude": "-90.062035000000", "latitude": "38.658938000000", "capital_city": "St. Louis", "nga_code": "USMO", "fao_country": "United States", "world_region": "North America" }, "home_seshat_region": { "id": 24, "name": "Mississippi Basin", "subregions_list": "From the Great Lakes to Louisiana", "mac_region": { "id": 7, "name": "North America" } }, "private_comment_n": { "id": 1, "text": "NO_PRIVATE_COMMENTS" } }, "comment": null, "private_comment": { "id": 1, "text": "NO_PRIVATE_COMMENTS" }, "citations": [], "curator": [] } ] }