| year date |
|
| 1769 |
Although the French had long established a fortified post on the Red River to prevent Indian attacks on those portaging the rapids, the specific date of origin for Post du Rapide is not until 1770. Eight years following Louisiana's transfer to Spain in 1762, Etienne Layssard is appointed the post commandant at Rapides. |
| 1805 April 10 |
The Territory of Orleans is divided into 12 counties. |