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
81	(Phoenician Empire)	Full Year Range of Phoenician Empire is assumed. [-1200, -332]	unknown	None
82	(Jenne-jeno I)	Full Year Range of Jenne-jeno I is assumed. [-250, 49]	unknown	None
83	(Jenne-jeno II)	Full Year Range of Jenne-jeno II is assumed. [50, 399]	unknown	None
84	(Jenne-jeno III)	Full Year Range of Jenne-jeno III is assumed. [400, 899]	unknown	None
85	(Jenne-jeno IV)	Full Year Range of Jenne-jeno IV is assumed. [900, 1300]	unknown	None
86	(Mali Empire)	Full Year Range of Mali Empire is assumed. [1230, 1410]	unknown	None
87	(Songhai Empire - Askiya Dynasty)	Full Year Range of Songhai Empire - Askiya Dynasty is assumed. [1493, 1591]	unknown	None
88	(Eastern Turk Khaganate)	Full Year Range of Eastern Turk Khaganate is assumed. [583, 630]	unknown	None
89	(Khitan I)	Full Year Range of Khitan I is assumed. [907, 1125]	unknown	None
90	(Eastern Zhou)	Full Year Range of Eastern Zhou is assumed. [-475, -256]	uncoded	None

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