| 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 |
|---|---|---|---|---|---|
| 83 |
(Five Dynasties Period) |
Full Year Range of Five Dynasties Period is assumed. [906, 970] |
uncoded |
None | |
| 85 |
(French Kingdom - Early Valois) |
Full Year Range of French Kingdom - Early Valois is assumed. [1328, 1450] |
uncoded |
None | |
| 86 |
(Hatti - New Kingdom) |
Full Year Range of Hatti - New Kingdom is assumed. [-1400, -1180] |
uncoded |
unknown | |
| 87 |
(Hephthalite Empire) |
Full Year Range of Hephthalite Empire is assumed. [408, 561] |
uncoded |
unknown | |
| 89 |
(Plantagenet England) |
Full Year Range of Plantagenet England is assumed. [1154, 1485] |
absent |
None | |
| 90 |
(Qin Empire) |
Full Year Range of Qin Empire is assumed. [-338, -207] |
present |
From the Shang period roads considered important enough to be "controlled by a special official" [Lindqvist 2009] but references to post usually begin with the Qin's First Emperor who "constructed post roads across his empire". [Mokyr 2003, p. 391] |