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| YEAR | DATE | EVENT | HEAD OF STATE |
| 920 | Count of Bliesgau - dinasty Metzgau | earl Folmar I | |
| 936 | earl Folmar II | ||
| 950 | earl Folmar III | ||
| 1026 | earl Goffredo | ||
| 1051 | earl Folmar IV | ||
| 1087 | earl Folmar V | ||
| 1111 | earl Folmar VI | ||
| 1142 | earl Ugo | ||
| 1152 | Bishopland and free town of H.R.E. | bishop Stephen of Bar | |
| 1163 | bishop Teodoric III of Bar | ||
| 1171 | bishop Frederic Pluvoise (I) | ||
| 1173 | bishop Teodoric IV of Lorraine | ||
| 1179 | bishop Frederic Pluvoise (II) | ||
| 1180 | bishop Bertram | ||
| 1211 | bishop Konrad I Scharfenberg | ||
| 1224 | bishop John I Aspremont | ||
| 1239 | bishop Jack of Lorreine | ||
| 1260 | bishop Philip od Lorraine-Florange | ||
| 1264 | bishop William Traisnel | ||
| 1269 | bishop Lorenz Leistenberg | ||
| 1279 | bishop John II of Dampierre bishop og Liege | ||
| 1282 | bishop Burcard II of Avesnes | ||
| 1296 | bishop Gerard Relanges | ||
| 1301 | bishop Reginald of Bar | ||
| 1316 | bishop Henry I de Viennois | ||
| 1325 | bishop Louis I Poitiers | ||
| 1327 | bishop Ademar Monteil | ||
| 1361 | bishop John III Neublans | ||
| 1365 | bishop Dietrich Bayer | ||
| 1384 | bishop Peter Wassenburg | ||
| 1387 | bishop Raoul Couci | ||
| 1415 | bishop Konrad II Bayer | ||
| 1459 | bishop George I of Baden | ||
| 1484 | bishop Henry II of Lorreine | ||
| 1505 | bishop John IV of Lorraine | ||
| 1550 | bishop Charles I of Lorraine | ||
| 1551 | bishop Robert II of Lenoncourt | ||
| 1555 | bishop Francis Beauquerre | ||
| 1568 | bishop Louis II of Lorraine | ||
| 1578 | bishop Charles II of Lorraine | ||
| 1608 | bishop Annas de Perusse | ||
| 1612 | bishop Henry III of Verneuil | ||
| 1648 | Union to Kingdom of France |