Section: Transport infrastructure
Variable: Bridge (All coded records)
Talking about Transport infrastructure, bridges refers to bridges built and/or maintained by the polity (that is, code 'present' even if the polity did not build a bridge, but devotes resources to maintaining it).  
Bridge
#  Polity  Coded Value Tags Year(s) Edit Desc
1 Early Qing present Confident 1644 CE 1796 CE
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2 Late Qing present Confident 1796 CE 1912 CE
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3 Early Formative Basin of Mexico unknown Suspected 1200 BCE 801 BCE
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4 Middle Formative Basin of Mexico unknown Suspected 800 BCE 401 BCE
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5 Late Formative Basin of Mexico unknown Suspected 400 BCE 101 BCE
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6 Terminal Formative Basin of Mexico unknown Suspected 100 BCE 99 CE
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7 Hawaii I unknown Suspected 1000 CE 1200 CE
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8 Hawaii II absent Inferred 1200 CE 1580 CE
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9 Hawaii III unknown Suspected 1580 CE 1778 CE
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10 Kingdom of Hawaii - Kamehameha Period unknown Suspected 1778 CE 1819 CE
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11 Kingdom of Hawaii - Post-Kamehameha Period present Confident 1820 CE 1898 CE
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12 Cahokia - Early Woodland absent Confident 600 BCE 150 BCE
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13 Cahokia - Middle Woodland absent Confident 150 BCE 300 CE
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14 Cahokia - Late Woodland I absent Confident 300 CE 450 CE
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15 Cahokia - Late Woodland II absent Confident 450 CE 600 CE
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16 Cahokia - Late Woodland III absent Confident 600 CE 750 CE
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17 Cahokia - Emergent Mississippian I absent Confident 750 CE 900 CE
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18 Cahokia - Sand Prairie absent Confident 1275 CE 1400 CE
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19 Oneota absent Confident 1400 CE 1650 CE
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20 Early Illinois Confederation absent Inferred 1640 CE 1717 CE
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21 Cahokia - Lohman-Stirling absent Confident 1055 CE 1199 CE
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22 Cahokia - Moorehead absent Confident 1200 CE 1274 CE
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23 Cahokia - Emergent Mississippian II absent Confident 900 CE 1049 CE
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24 Funan I present Inferred 225 CE 540 CE
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25 Funan II present Inferred 540 CE 640 CE
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26 Early Angkor present Confident 802 CE 1100 CE
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27 Classical Angkor present Confident 1100 CE 1220 CE
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28 Late Angkor present Inferred 1220 CE 1432 CE
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29 Khmer Kingdom present Confident 1432 CE 1594 CE
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30 Ayutthaya present Confident 1593 CE 1767 CE
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31 Rattanakosin present Inferred 1782 CE 1873 CE
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32 Medang Kingdom present Confident 732 CE 1019 CE
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33 Majapahit Kingdom unknown Suspected 1292 CE 1518 CE
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34 Mataram Sultanate present Confident 1568 CE 1703 CE
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35 Chuuk - Early Truk present Confident 1775 CE 1886 CE
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36 Chuuk - Late Truk present Confident 1886 CE 1948 CE
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37 Prepalatial Crete unknown Suspected 3000 BCE 1900 BCE
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38 The Old Palace Crete unknown Suspected 1900 BCE 1700 BCE
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39 New Palace Crete present Confident 1700 BCE 1450 BCE
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40 Monopalatial Crete present Confident 1450 BCE 1300 BCE
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41 Postpalatial Crete present Confident 1300 BCE 1200 BCE
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42 Final Postpalatial Crete present Confident 1200 BCE 1000 BCE
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43 Geometric Crete present Confident 1000 BCE 710 BCE
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44 Archaic Crete present Confident 710 BCE 500 BCE
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45 Classical Crete present Confident 500 BCE 323 BCE
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46 Hellenistic Crete present Confident 323 BCE 69 BCE
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47 Roman Empire - Principate present Confident 31 BCE 284 CE
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48 Roman Empire - Dominate present Confident 285 CE 394 CE
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49 East Roman Empire present Confident 395 CE 631 CE
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50 Byzantine Empire I present Confident 632 CE 866 CE
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51 The Emirate of Crete present Confident 824 CE 961 CE
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52 Byzantine Empire II present Confident 867 CE 1072 CE
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53 Byzantine Empire III present Confident 1073 CE 1204 CE
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54 Cuzco - Late Formative unknown Suspected 500 BCE 200 CE
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55 Cuzco - Early Intermediate II unknown Suspected 500 CE 649 CE
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56 Wari Empire present Inferred 650 CE 999 CE
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57 Inca Empire present Confident 1375 CE 1532 CE
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58 Spanish Empire I present Confident 1516 CE 1715 CE
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59 Deccan - Neolithic unknown Suspected 2700 BCE 1200 BCE
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60 Magadha - Maurya Empire present Inferred 324 BCE 187 BCE
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61 Hoysala Kingdom unknown Suspected 1108 CE 1346 CE
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62 Kampili Kingdom unknown Suspected 1280 CE 1327 CE
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63 Vijayanagara Empire present Confident 1336 CE 1646 CE
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64 Mughal Empire present Confident 1526 CE 1858 CE
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65 British Empire II present Confident 1850 CE 1968 CE
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66 Haudenosaunee Confederacy - Early absent Confident 1566 CE 1713 CE
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67 Haudenosaunee Confederacy - Late absent Confident 1714 CE 1848 CE
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68 Canaan absent Inferred 2000 BCE 1175 BCE
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69 Phoenician Empire absent Inferred 1200 BCE 332 BCE
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70 Yisrael absent Inferred 1030 BCE 722 BCE
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71 Neo-Assyrian Empire present Confident 911 BCE 612 BCE
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72 Achaemenid Empire present Confident 550 BCE 331 BCE
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73 Seleucids unknown Suspected 312 BCE 63 BCE
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74 Ptolemaic Kingdom I present Inferred 305 BCE 217 BCE
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75 Yehuda present Confident 141 BCE 63 BCE
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76 Early A'chik absent Confident 1775 CE 1867 CE
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77 Late A'chik absent Confident 1867 CE 1956 CE
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78 Akan - Pre-Ashanti absent Confident 1501 CE 1701 CE
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79 Ashanti Empire absent Confident 1701 CE 1895 CE
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80 Icelandic Commonwealth absent Confident 930 CE 1262 CE
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81 Kingdom of Norway II absent Confident 1262 CE 1396 CE
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82 Kachi Plain - Aceramic Neolithic unknown Suspected 7500 BCE 5500 BCE
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83 Kachi Plain - Ceramic Neolithic unknown Suspected 5500 BCE 4000 BCE
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84 Kachi Plain - Chalcolithic unknown Suspected 4000 BCE 3200 BCE
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85 Kachi Plain - Pre-Urban Period unknown Suspected 3200 BCE 2500 BCE
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86 Kachi Plain - Urban Period I unknown Suspected 2500 BCE 2100 BCE
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87 Kachi Plain - Urban Period II unknown Suspected 2100 BCE 1800 CE
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88 Kachi Plain - Post-Urban Period present Inferred 1800 BCE 1300 BCE
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89 Parthian Empire I present Confident 247 BCE 40 CE
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90 Kushan Empire unknown Suspected 35 CE 319 CE
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91 Sasanid Empire I present Confident 205 CE 487 CE
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92 Hephthalites unknown Suspected 408 CE 561 CE
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93 Sasanid Empire II present Confident 488 CE 642 CE
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94 Umayyad Caliphate present Confident 661 CE 750 CE
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95 Abbasid Caliphate I present Confident 750 CE 946 CE
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96 Ghur Principality present Confident 1025 CE 1215 CE
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97 Delhi Sultanate present Confident 1206 CE 1526 CE
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98 Durrani Empire absent Confident 1747 CE 1826 CE
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99 Asuka present Confident 538 CE 710 CE
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100 Heian present Inferred 794 CE 1185 CE
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101 Kamakura Shogunate present Confident 1185 CE 1333 CE
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102 Ashikaga Shogunate present Confident 1336 CE 1467 CE
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103 Warring States Japan unknown Suspected 1467 CE 1568 CE
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104 Japan - Azuchi-Momoyama present Confident 1568 CE 1603 CE
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105 Tokugawa Shogunate present Confident 1603 CE 1868 CE
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106 Iban - Pre-Brooke absent Confident 1650 CE 1841 CE
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107 Iban - Brooke Raj and Colonial absent Confident 1841 CE 1987 CE
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108 Konya Plain - Ceramic Neolithic absent Confident 7000 BCE 6600 BCE
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109 Konya Plain - Late Neolithic absent Confident 6600 BCE 6000 BCE
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110 Konya Plain - Early Chalcolithic absent Inferred 6000 BCE 5500 BCE
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111 Konya Plain - Late Chalcolithic absent Inferred 5500 BCE 3000 BCE
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112 Middle Bronze Age in Central Anatolia present Confident 2000 BCE 1700 BCE
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113 Hatti - Old Kingdom present Confident 1650 BCE 1500 BCE
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114 Konya Plain - Late Bronze Age II present Confident 1500 BCE 1400 BCE
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115 Hatti - New Kingdom present Confident 1400 BCE 1180 BCE
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116 Neo-Hittite Kingdoms present Inferred 1180 BCE 900 BCE
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117 Phrygian Kingdom present Confident 900 BCE 695 BCE
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118 Lysimachus Kingdom present Inferred 323 BCE 281 BCE
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119 Late Cappadocia present Confident 322 BCE 93 BCE
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120 Rum Sultanate present Confident 1077 CE 1307 CE
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121 Ilkhanate present Confident 1256 CE 1339 CE
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122 Ottoman Emirate present Confident 1299 CE 1402 CE
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123 Ottoman Empire I present Confident 1402 CE 1517 CE
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124 Ottoman Empire II present Confident 1517 CE 1683 CE
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125 Ottoman Empire III present Confident 1683 CE 1839 CE
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126 Latium - Copper Age absent Confident 3600 BCE 1800 BCE
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127 Latium - Bronze Age absent Confident 1800 BCE 900 BCE
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128 Latium - Iron Age absent Inferred 1000 BCE 580 BCE
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129 Roman Kingdom present Confident 716 BCE 509 BCE
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130 Early Roman Republic present Confident 509 BCE 264 BCE
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131 Middle Roman Republic present Confident 264 BCE 133 BCE
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132 Late Roman Republic present Confident 133 BCE 31 BCE
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133 Western Roman Empire - Late Antiquity present Confident 395 CE 476 CE
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134 Ostrogothic Kingdom present Inferred 489 CE 554 CE
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135 Exarchate of Ravenna present Confident 568 CE 751 CE
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136 Republic of St Peter I present Confident 711 CE 904 CE
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137 Rome - Republic of St Peter II present Confident 904 CE 1198 CE
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138 Papal States - High Medieval Period present Confident 1198 CE 1309 CE
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139 Papal States - Renaissance Period present Confident 1378 CE 1527 CE
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140 Papal States - Medieval Period I present Confident 1527 CE 1648 CE
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141 Papal States - Medieval Period II present Confident 1648 CE 1809 CE
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142 Sakha - Early absent Confident 1400 CE 1632 CE
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143 Sakha - Late absent Confident 1632 CE 1900 CE
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144 Shuar - Colonial present Confident 1534 CE 1830 CE
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145 Shuar - Ecuadorian present Confident 1831 CE 1931 CE
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146 Egypt - New Kingdom Thutmosid Period present Confident 1550 BCE 1293 BCE
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147 Egypt - New Kingdom Ramesside Period present Confident 1293 BCE 1070 BCE
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148 Egypt - Thebes-Libyan Period present Inferred 1069 BCE 747 BCE
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149 Egypt - Saite Period present Inferred 664 BCE 525 BCE
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150 Egypt - Inter-Occupation Period present Inferred 404 BCE 342 BCE
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151 Ptolemaic Kingdom II present Inferred 217 BCE 30 BCE
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152 Middle Wagadu Empire unknown Suspected 700 CE 1077 CE
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153 Fatimid Caliphate present Confident 909 CE 1171 CE
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154 Later Wagadu Empire unknown Suspected 1078 CE 1203 CE
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155 Mali Empire unknown Suspected 1230 CE 1410 CE
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156 Egypt - Mamluk Sultanate I present Confident 1260 CE 1348 CE
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157 Egypt - Mamluk Sultanate II present Confident 1348 CE 1412 CE
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158 Egypt - Mamluk Sultanate III present Confident 1412 CE 1517 CE
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159 Songhai Empire - Askiya Dynasty unknown Suspected 1493 CE 1591 CE
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160 Late Shang present Inferred 1250 BCE 1045 BCE
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161 Western Zhou present Inferred 1122 BCE 771 BCE
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162 Jin present Inferred 780 BCE 404 BCE
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163 Western Han Empire present Confident 202 BCE 9 CE
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164 Eastern Han Empire present Confident 25 CE 220 CE
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165 Western Jin present Inferred 265 CE 317 CE
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166 Northern Wei present Confident 386 CE 534 CE
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167 Sui Dynasty present Confident 581 CE 618 CE
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168 Tang Dynasty I present Inferred 617 CE 763 CE
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169 Nara Kingdom present Confident 710 CE 794 CE
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170 Tang Dynasty II present Confident 763 CE 907 CE
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171 Jin Dynasty present Confident 1115 CE 1234 CE
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172 Mongol Empire present Confident 1206 CE 1368 CE
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173 Great Yuan present Confident 1271 CE 1368 CE
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174 Great Ming present Confident 1368 CE 1644 CE
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175 Xiongnu Imperial Confederation unknown Suspected 209 BCE 60 BCE
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176 Late Xiongnu unknown Suspected 60 BCE 100 CE
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177 Rouran Khaganate unknown Suspected 300 CE 555 CE
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178 Kidarite Kingdom present Inferred 388 CE 477 CE
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179 Western Turk Khaganate present Inferred 582 CE 630 CE
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180 Eastern Turk Khaganate unknown Suspected 583 CE 630 CE
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181 Uigur Khaganate unknown Suspected 745 CE 840 CE
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182 Samanid Empire present Confident 819 CE 999 CE
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183 Khitan I present Confident 907 CE 1125 CE
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184 Kara-Khanids present Confident 950 CE 1212 CE
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185 Khwarezmid Empire present Confident 1157 CE 1231 CE
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186 Chagatai Khanate present Inferred 1263 CE 1402 CE
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187 Tudor and Early Stuart England present Confident 1486 CE 1689 CE
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188 Early Merovingian present Confident 481 CE 543 CE
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189 Lombard Kingdom present Confident 568 CE 774 CE
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190 Middle Merovingian present Confident 543 CE 687 CE
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191 Carolingian Empire I unknown Suspected 752 CE 840 CE
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192 Carolingian Empire II present Confident 840 CE 987 CE
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193 French Kingdom - Early Valois present Confident 1328 CE 1450 CE
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194 Kassite Babylonia present Inferred 1595 BCE 1150 BCE
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195 Neo-Babylonian Empire present Confident 626 BCE 539 BCE
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196 Greco-Bactrian Kingdom unknown Suspected 256 BCE 125 BCE
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197 Himyar I unknown Suspected 270 CE 340 CE
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198 Himyar II unknown Suspected 378 CE 525 CE
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199 Saffarid Caliphate present Confident 861 CE 1003 CE
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200 Egypt - Tulunid-Ikhshidid Period present Confident 868 CE 969 CE
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201 Buyid Confederation present Confident 932 CE 1062 CE
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202 Seljuk Sultanate present Confident 1037 CE 1157 CE
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203 Ayyubid Sultanate present Confident 1171 CE 1250 CE
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204 Rasulid Dynasty present Confident 1229 CE 1453 CE
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205 Timurid Empire present Confident 1370 CE 1526 CE
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206 Yemen - Tahirid Dynasty present Inferred 1454 CE 1517 CE
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207 Safavid Empire present Confident 1501 CE 1722 CE
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208 Yangshao unknown Suspected 5000 BCE 3000 BCE
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209 Northern Song present Confident 960 CE 1127 CE
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210 Jenne-jeno I unknown Suspected 250 BCE 49 CE
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211 Jenne-jeno II unknown Suspected 50 CE 399 CE
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212 Jenne-jeno III unknown Suspected 400 CE 899 CE
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213 Jenne-jeno IV unknown Suspected 900 CE 1300 CE
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214 Saadi Sultanate unknown Suspected 1554 CE 1659 CE
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215 Neguanje present Inferred 800 CE 1050 CE
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216 Tairona present Confident 1050 CE 1524 CE
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217 Early Xiongnu absent Inferred 1400 BCE 300 BCE
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218 Xianbei Confederation unknown Suspected 100 CE 250 CE
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219 Second Turk Khaganate unknown Suspected 682 CE 744 CE
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220 Early Mongols absent Confident 1000 CE 1206 CE
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221 Zungharian Empire unknown Suspected 1670 CE 1757 CE
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222 Orokaiva - Pre-Colonial present Confident 1734 CE 1883 CE
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223 Orokaiva - Colonial present Confident 1884 CE 1942 CE
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224 Beaker Culture unknown Suspected 3200 BCE 2000 BCE
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225 Atlantic Complex unknown Suspected 2200 BCE 1000 BCE
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226 Hallstatt A-B1 unknown Suspected 1000 BCE 900 BCE
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227 Hallstatt C unknown Suspected 700 BCE 600 BCE
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228 Hallstatt D unknown Suspected 600 BCE 475 BCE
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229 La Tene A-B1 unknown Suspected 475 BCE 325 BCE
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230 La Tene B2-C1 present Confident 325 BCE 175 BCE
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231 La Tene C2-D present Confident 175 BCE 27 BCE
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232 Proto-Carolingian present Confident 687 CE 751 CE
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233 Proto-French Kingdom present Confident 987 CE 1150 CE
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234 French Kingdom - Late Capetian present Confident 1150 CE 1328 CE
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235 French Kingdom - Late Valois present Inferred 1450 CE 1589 CE
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236 French Kingdom - Early Bourbon unknown Suspected 1589 CE 1660 CE
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237 French Kingdom - Late Bourbon present Confident 1660 CE 1815 CE
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238 Sarazm unknown Suspected 3500 BCE 2000 BCE
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239 Andronovo unknown Suspected 1800 BCE 1200 BCE
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240 Koktepe I unknown Suspected 1400 BCE 1000 BCE
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241 Tocharians unknown Suspected 129 BCE 29 CE
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242 Sogdiana - City-States Period present Confident 604 CE 711 CE
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243 Khanate of Bukhara present Confident 1599 CE 1747 CE
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244 Hmong - Late Qing present Inferred 1701 CE 1895 CE
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245 Hmong - Early Chinese present Confident 1895 CE 1941 CE
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246 Ubaid unknown Suspected 5500 BCE 4201 BCE
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247 Uruk unknown Suspected 4000 BCE 2900 BCE
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248 Ur - Dynasty III unknown Suspected 2112 BCE 2004 BCE
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249 Isin-Larsa present Inferred 2004 BCE 1763 BCE
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250 Second Dynasty of Isin present Inferred 1153 BCE 1027 BCE
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251 Bazi Dynasty present Inferred 1005 BCE 986 BCE
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252 Dynasty of E present Inferred 979 BCE 732 BCE
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253 Parthian Empire II present Confident 41 CE 226 CE
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254 Abbasid Caliphate II present Inferred 1191 CE 1258 CE
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255 Pre-Ceramic Period unknown Suspected 7800 BCE 7200 BCE
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256 Formative Period unknown Suspected 7200 BCE 7000 BCE
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257 Susiana - Muhammad Jaffar unknown Suspected 7000 BCE 6000 BCE
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258 Susiana B unknown Suspected 5700 BCE 5100 BCE
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259 Susiana - Early Ubaid unknown Suspected 5100 BCE 4700 BCE
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260 Susiana - Late Ubaid unknown Suspected 4700 BCE 4300 BCE
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261 Susa I unknown Suspected 4300 BCE 3800 BCE
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262 Elam - Awan Dynasty I present Inferred 2675 BCE 2100 BCE
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263 Elam - Early Sukkalmah present Confident 1900 BCE 1701 BCE
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264 Elam - Late Sukkalmah present Confident 1700 BCE 1500 BCE
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265 Elam - Kidinuid Period unknown Suspected 1500 BCE 1400 BCE
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266 Elam - Igihalkid Period present Inferred 1399 BCE 1200 BCE
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267 Elam - Shutrukid Period present Inferred 1199 BCE 1100 BCE
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268 Elam II present Confident 743 BCE 647 BCE
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269 Elam III present Inferred 612 BCE 539 BCE
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270 Elymais II present Inferred 25 CE 215 CE
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271 Ak Koyunlu present Confident 1339 CE 1501 CE
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272 Qajar present Inferred 1794 CE 1925 CE
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273 Badarian absent Inferred 4400 BCE 3800 BCE
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274 Naqada I absent Inferred 3800 BCE 3550 BCE
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275 Naqada II absent Inferred 3550 BCE 3300 BCE
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276 Egypt - Dynasty 0 absent Inferred 3300 BCE 3100 BCE
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277 Egypt - Dynasty I present Inferred 3100 BCE 2900 BCE
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278 Egypt - Dynasty II present Inferred 2900 BCE 2687 BCE
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279 Egypt - Classic Old Kingdom present Inferred 2650 BCE 2350 BCE
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280 Egypt - Late Old Kingdom present Inferred 2350 BCE 2150 BCE
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281 Egypt - Period of the Regions present Inferred 2150 BCE 2016 BCE
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282 Egypt - Middle Kingdom present Inferred 2016 BCE 1700 BCE
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283 Egypt - Thebes-Hyksos Period unknown Suspected 1720 BCE 1567 BCE
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284 Egypt - Kushite Period present Inferred 747 BCE 656 BCE
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285 Oaxaca - Tierras Largas absent Inferred 1400 BCE 1150 BCE
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286 Oaxaca - San Jose absent Inferred 1150 BCE 700 BCE
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287 Oaxaca - Rosario absent Inferred 700 BCE 500 BCE
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288 Early Monte Alban I absent Confident 500 BCE 300 BCE
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289 Monte Alban Late I absent Confident 300 BCE 100 BCE
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290 Monte Alban II absent Confident 100 BCE 200 CE
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291 Monte Alban III absent Confident 200 CE 500 CE
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292 Monte Alban IIIB and IV absent Inferred 500 CE 900 CE
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293 Monte Alban V absent Inferred 900 CE 1520 CE
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294 Yemen - Qasimid Dynasty unknown Suspected 1637 CE 1805 CE
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295 Republic of Venice III present Confident 1204 CE 1563 CE
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296 Republic of Venice IV present Confident 1564 CE 1797 CE
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297 Hohokam Culture unknown Suspected 300 CE 1500 CE
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298 Antebellum US present Confident 1776 CE 1865 CE
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299 Austria - Habsburg Dynasty I present Confident 1454 CE 1648 CE
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300 Napoleonic France present Confident 1816 CE 1870 CE
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301 Austria - Habsburg Dynasty II present Confident 1649 CE 1918 CE
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302 Kingdom of Bohemia - Luxembourgian and Jagiellonian Dynasty present Confident 1310 CE 1526 CE
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303 Early United Mexican States present Confident 1810 CE 1920 CE
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304 Spanish Empire II present Confident 1716 CE 1814 CE
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305 Russian Empire, Romanov Dynasty II present Confident 1776 CE 1917 CE
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306 Austro-Hungarian Monarchy present Confident 1867 CE 1918 CE
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307 Golden Horde present Confident 1240 CE 1440 CE
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308 Anglo-Saxon England I present Confident 410 CE 926 CE
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309 Us Reconstruction-Progressive present Confident 1866 CE 1933 CE
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310 Alaouite Dynasty I present Confident 1631 CE 1727 CE
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311 Plantagenet England present Confident 1154 CE 1485 CE
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312 British Empire I present Confident 1690 CE 1849 CE
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313 Russian Empire, Romanov Dynasty I present Confident 1614 CE 1775 CE
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314 Soviet Union present Confident 1923 CE 1991 CE
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315 Anglo-Saxon England II present Confident 927 CE 1065 CE
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316 Middle and Late Nok absent Inferred 1500 BCE 901 BCE
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317 Kanem unknown Suspected 800 CE 1379 CE
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318 Middle and Late Nok absent Inferred 900 BCE 0 CE
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319 Dambadaneiya present Confident 1232 CE 1293 CE
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320 Dutch Empire present Confident 1648 CE 1795 CE
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321 Adal Sultanate present Inferred 1375 CE 1543 CE
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322 Tunni Sultanate present Confident 800 CE 1200 CE
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323 Early Sultanate of Aussa present Confident 1734 CE 1895 CE
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324 Oyo unknown Suspected 1300 CE 1535 CE
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325 Foys present Confident 1600 CE 1892 CE
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326 Benin Empire present Confident 1140 CE 1897 CE
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327 Buganda present Confident 1700 CE 1894 CE
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328 British Empire IIIIIIIIII present Confident 1850 CE 1968 CE
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329 Holy Roman Empire - Ottonian-Salian Dynasty present Confident 919 CE 1125 CE
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