| YEAR | DATE | EVENT | HEAD OF STATE |
| 1073 | Count - dinasty Matfried | earl Gerardo I | |
| 1118 | earl Ugo I | ||
| 1155 | earl Gerardo II | ||
| 1197 | earl Ugo II | ||
| 1242 | earl Ugo III | ||
| 1244 | earl Enrico I | ||
| 1278 | earl Reginald | ||
| 1279 | earl Enrico II | ||
| 1299 | earl Enrico III | ||
| 1347 | dinasty Joinville | earl Enrico IV | |
| 1365 | earles Margherita | ||
| 1417 | earl Antonio duke of Lorena | ||
| 1431 | Union to duchy of Lorena |