| 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 |
|---|---|
| postal_station | The absence or presence of postal station for a polity. |
| # | Polity | Year(s) | Postal Station | Description | Edit |
|---|---|---|---|---|---|
| 72 |
(Early United Mexican States) |
Full Year Range of Early United Mexican States is assumed. [1810, 1920] |
present |
None | |
| 73 |
(Egypt - Kushite Period) |
Full Year Range of Egypt - Kushite Period is assumed. [-747, -656] |
unknown |
None | |
| 74 |
(Songhai Empire - Askiya Dynasty) |
Full Year Range of Songhai Empire - Askiya Dynasty is assumed. [1493, 1591] |
uncoded |
unknown An important courier service connected the court to various cities and towns, guaranteeing the transmission of the Askia's orders. "Un important service de courrier relie la cour aux différentes villes et chef-lieux assurant la transmission des ordres de l'Askia." [Niane 1975, p. 106] | |
| 75 |
(Susa III) |
Full Year Range of Susa III is assumed. [-3100, -2675] |
uncoded |
"the Sumerian civilisation which flourished before 3500 BC. This was an advanced civilisation building cities and supporting the people with irrigation systems, a legal system, administration, and even a postal service. Writing developed and counting was based on a sexagesimal system, that is to say base 60." [O'Connor_Robertson 0] -- presumably postal stations would have been necessary for an ancient postal service. | |
| 77 |
(Warring States Japan) |
Full Year Range of Warring States Japan is assumed. [1467, 1568] |
uncoded |
present for preceding period | |