| YEAR | DATE | EVENT | DUKE |
| 1374 | Duchy - dinasty Wettin | Federico III markgraft of Meissen | |
| 1381 | Duchy of p.e. of Saxe | ||
| 1554 | Duchy of Duchy of Saxe-Weimar | ||
| 1626 | Duchy of Duchy of Saxe-Coburg | ||
| 1675 | dinasty Wettin | Ernesto I | |
| 1715 | 17 october | Ernst Friedrich I | |
| 1724 | 9 march | Ernst Friedrich II | |
| 1745 | 13 august | Ernst Friedrich III | |
| 1780 | 23 september | Friedrich | |
| 1834 | Joseph | ||
| 1848 | Georg | ||
| 1853 | Ernst II | ||
| 1908 | Ernst III | ||
| 1918 | 9 november | Union to German State of Thuringia |