| YEAR | DATE | EVENT | HEAD OF STATE |
| 1180 | Count - dinasty Nahegau | earl Euricho III | |
| 1187 | earl Federico I | ||
| 1214 | dinasty Saargau | earl Federico II | |
| 1237 | earl Federico III | ||
| 1287 | earl Federico IV | ||
| 1316 | earl Federico V | ||
| 1327 | earl Federico VI | ||
| 1342 | earl Federico VII | ||
| 1377 | earl Federico VIII | ||
| 1397 | earl Federico IX | ||
| 1434 | earl Hesso | ||
| 1467 | Union to Duchy of Bavaria |