| YEAR | DATE | EVENT | HEAD OF STATE |
| 928 | Count of Ardenne - dinasty Hainaut | earl Alberto | |
| 936 | dinasty Wigerich | earl Giselberto | |
| 965 | Count | earl Goffredo | |
| 995 | earl Federico | ||
| 1022 | Bishopland and free town of H.R.E. | ||
| 1049 | x | ||
| 1089 | bishop Richer Apremont | ||
| 1106 | bishop Riccardo Grandpre' | ||
| 1114 | x | ||
| 1131 | bishop Alberto Chiny | ||
| 1158 | x | ||
| 1163 | bishop Riccardo Durbug | ||
| 1171 | bishop Arnaldo Chiny | ||
| 1181 | bishop Enrico of Bliesgau | ||
| 1186 | x | ||
| 1208 | bishop Roberto Grandpre' | ||
| 1217 | x | ||
| 1247 | bishop John Esch | ||
| 1253 | x | ||
| 1275 | bishop Gerardo Grandson | ||
| 1284 | bishop Enrico Grandson | ||
| 1286 | x | ||
| 1303 | bishop Tommaso Wigerich | ||
| 1305 | x | ||
| 1314 | bishop Enrico of Aspremont | ||
| 1350 | x | ||
| 1362 | bishop John of Borbone | ||
| 1372 | x | ||
| 1384 | bishop John Commercy | ||
| 1438 | x | ||
| 1474 | bishop Leonardo Neuchatel | ||
| 1478 | x | ||
| 1500 | bishop Warry Dampmartin | ||
| 1508 | x | ||
| 1522 | Count of H.R.E. of King of France | ||
| 1648 | Union to Kingdom of France |