| YEAR | DATE | EVENT | HEAD OF STATE |
| 1296 | Duchy - dianstia Piasti | duke Boleslao III duke of Slesia | |
| 1352 | duke Ludovico I | ||
| 1398 | duke Enrico VII | ||
| 1399 | duke Ludovico II duke of Slesia | ||
| 1436 | duke John duke of Slesia | ||
| 1453 | duke Federico I duke of Slesia | ||
| 1488 | duke Giorgio I | ||
| 1521 | duke Federico III duke of Slesia | ||
| 1534 | duke Giorgio II | ||
| 1586 | duke Gioacchino Federico duke Slesi | ||
| 1602 | duke John Cristiano | ||
| 1639 | duke Giorgio III | ||
| 1664 | duke Cristiano duke of Slesia | ||
| 1672 | Union to Duchy of Slesia |