| YEAR | DATE | EVENT | HEAD OF STATE |
| 1138 | Duchy - dinasty Piasti | duke Ladislao II duke of Cracovia | |
| 1159 | duke Boleslao I | ||
| 1201 | duke Enrico I duke of Cracovia | ||
| 1238 | duke Enrico II duke of Cracovia | ||
| 1241 | duke Boleslao II | ||
| 1278 | duke Enrico V | ||
| 1296 | duke Boleslao III | ||
| 1352 | duke Venceslao I | ||
| 1364 | duke Roberto I | ||
| 1409 | duke Venceslao II | ||
| 1419 | duke Ludovico II | ||
| 1436 | duke John II | ||
| 1453 | duke Federico I | ||
| 1488 | duke Federico II | ||
| 1547 | duke Federico III | ||
| 1570 | duke Enrico XI | ||
| 1588 | duke Federico IV | ||
| 1596 | duke Gioacchino Federico | ||
| 1602 | duke Giorgio Rodolfo | ||
| 1653 | duke Ludovico IV | ||
| 1663 | duke Cristiano | ||
| 1672 | duke Giorgio Guglielmo | ||
| 1675 | Union to Kingdom of Polonia | ||
| 1742 | Union to Markgraft of Brandenburg | ||
| 1918 | 14 november | Union to Polonia |