Section: Social Complexity

Subsection: Writing Systems

Mnemonic Device

Talking about writing systems, mnemonic devices are: for example, tallies (See here)

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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]
Verified	A Seshat Expert has approved this piece of data.

Variable	Definition
mnemonic_device	The absence or presence of mnemonic device for a polity.

Actual Data:

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#	Polity	Year(s)	Mnemonic Device	Description	Edit
31	(Classic Tana)	Full Year Range of Classic Tana is assumed. [1100, 1498]	unknown	None
32	(Ak Koyunlu)	Full Year Range of Ak Koyunlu is assumed. [1339, 1501]	unknown	None
33	(Buyid Confederation)	Full Year Range of Buyid Confederation is assumed. [932, 1062]	unknown	None
34	(Ilkhanate)	Full Year Range of Ilkhanate is assumed. [1256, 1339]	unknown	None
35	(Pre-Ceramic Period)	Full Year Range of Pre-Ceramic Period is assumed. [-7800, -7200]	unknown	None
36	(Safavid Empire)	Full Year Range of Safavid Empire is assumed. [1501, 1722]	unknown	None
37	(Sasanid Empire I)	Full Year Range of Sasanid Empire I is assumed. [205, 487]	unknown	None
38	(Ottoman Empire III)	Full Year Range of Ottoman Empire III is assumed. [1683, 1839]	present	None
39	(Great Yuan)	Full Year Range of Great Yuan is assumed. [1271, 1368]	present	None
40	(Eastern Zhou)	Full Year Range of Eastern Zhou is assumed. [-475, -256]	uncoded	None

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