Section: General Variables
Subsection: Temporal Bounds

Polity Duration

The lifetime of a polity.  
Contributors:

Variable Definition
Polity The Seshat Polity ID
Year(s) The years for which we have the data. [negative = BCE]
Tag [Evidenced, Disputed, Suspected, Inferred, Unknown]
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Variable Definition
polity_year_from The beginning year for a polity.
polity_year_to The end year for a polity.

# Polity Year(s) Polity Year from Polity Year to Description   Edit
71
(Antebellum US)
Full Year Range of Antebellum US is assumed.
[1776, 1865]
1776
1865
None
72
(Late Classic Tikal)
Full Year Range of Late Classic Tikal is assumed.
[555, 869]
555
869
None
73
(Tudor and Early Stuart England)
Full Year Range of Tudor and Early Stuart England is assumed.
[1486, 1689]
1486
1689
None
74
(Khwarezmid Empire)
Full Year Range of Khwarezmid Empire is assumed.
[1157, 1231]
1157
1231
None
75
(Gurjar-Pratihara Dynasty)
Full Year Range of Gurjar-Pratihara Dynasty is assumed.
[730, 1030]
730
1030
None
76
(Polish Kingdom - Piast Dynasty Fragmented Period)
Full Year Range of Polish Kingdom - Piast Dynasty Fragmented Period is assumed.
[1139, 1382]
1139
1382
None
77
(Soviet Union)
Full Year Range of Soviet Union is assumed.
[1918, 1991]
1918
1991
None
78
(Russian Empire, Romanov Dynasty I)
Full Year Range of Russian Empire, Romanov Dynasty I is assumed.
[1614, 1775]
1614
1775
None
79
(Naqada I)
Full Year Range of Naqada I is assumed.
[-3800, -3550]
-3800
-3550
None
80
(Gupta Empire)
Full Year Range of Gupta Empire is assumed.
[320, 550]
320
550
None
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