| YEAR | DATE | EVENT | HEAD OF STATE |
| 1282 | Duchy - dinasty Piasti | duke Mieszko I | |
| 1315 | duke Casimiro I | ||
| 1358 | duke Premislaw I | ||
| 1410 | duke Boleslao I | ||
| 1431 | duke Boleslao II | ||
| 1452 | duke Ladislao | ||
| 1460 | duke Venceslao I | ||
| 1474 | duke Premislaw II | ||
| 1477 | duke Casimiro II | ||
| 1528 | duke Venceslao III | ||
| 1579 | duke Adamo Venceslao | ||
| 1617 | duke Federico Guglielmo | ||
| 1625 | dukes Elisabetta | ||
| 1653 | Union to Duchy of Slesia |