| 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 |
|---|---|
| bridge | The absence or presence of bridge for a polity. |
| # | Polity | Year(s) | Bridge | Description | Edit |
|---|---|---|---|---|---|
| 71 |
(British Empire II) |
Full Year Range of British Empire II is assumed. [1850, 1968] |
present |
Isambard Kingdom Brunel engineered many bridges. | |
| 72 |
(Mataram Sultanate) |
Full Year Range of Mataram Sultanate is assumed. [1568, 1703] |
present |
By the mid-seventeeenth century there were permanent bridges. §REF§(Ricklefs 1993, 92)§REF§ | |
| 73 |
(Deccan - Neolithic) |
Full Year Range of Deccan - Neolithic is assumed. [-2700, -1200] |
unknown |
None | |
| 75 |
(Abbasid Caliphate II) |
Full Year Range of Abbasid Caliphate II is assumed. [1191, 1258] |
present |
None | |
| 76 |
(Neo-Assyrian Empire) |
Full Year Range of Neo-Assyrian Empire is assumed. [-911, -612] |
present |
None | |