| YEAR | DATE | EVENT | HEAD OF STATE |
| 1093 | Count - dinasty Nassau | earl Dudo | |
| 1117 | earl Arnoldo I | ||
| 11148 | earl Roberto I | ||
| 1152 | earl Arnoldo II | ||
| 1154 | earl Roberto II | ||
| 1160 | earl Enrico I | ||
| 1167 | earl Roberto III | ||
| 1191 | earl Walram I | ||
| 1198 | earl Roberto IV | ||
| 1239 | earl Enrico II | ||
| 1251 | earl Walram II | ||
| 1277 | earl Adolfo Re of Germania | ||
| 1298 | earl Roberto VI | ||
| 1305 | earl Gerlach I | ||
| 1361 | earl John I | ||
| 1371 | earl Filippo I earl of Saar | ||
| 1429 | earl Filippo II | ||
| 1482 | earl Ludovico I | ||
| 1523 | earl Filippo III | ||
| 1559 | earl Alberto | ||
| 1593 | earl Ludovico II earl of Saar | ||
| 1627 | earl Ernesto Casimiro | ||
| 1655 | earl Federico | ||
| 1675 | earl John Ernesto | ||
| 1688 | 4 august | Principality | prince John Ernesto |
| 1719 | prince Carlo Augusto | ||
| 1753 | 9 november | prince Karl Christian | |
| 1788 | 28 november | prince Friedrich Wilhelm | |
| 1816 | 9 january | prince Wilhelm | |
| 1816 | Duchy | duke Wilhelm | |
| 1839 | 20 august | duke Adolf greatduke of Luxemburg | |
| 1866 | 20 september | Union to Markgraft of Brandenburg | |
| 1918 | 9 november | Union to German State of Pfalz |