| YEAR | DATE | EVENT | HEAD OF STATE |
| 1458 | Landgraft - dinasty Hesse | landgraft Enrico III | |
| 1483 | landgraft Guglielmo III | ||
| 1500 | landgraft Guglielmo II landgraft of Kassel | ||
| 1509 | landgraft Filippo I landgraft of Kassel | ||
| 1567 | landgraft Ludovico III | ||
| 1604 | Union to Landgraft of Hesse-Kassel |