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| YEAR | DATE | EVENT | HEAD OF STATE |
| 782 | Mark of H.R.E. | ||
| 830 | Duchy | duke Mojmir | |
| 846 | duke Ratislao | ||
| 870 | duke Svatopluk I | ||
| 894 | duke Mojmir II | ||
| 906 | duke Svatopluk II | ||
| 907 | Union to Bohemia Duchy | ||
| 999 | Duchy of Poland Kingdom | ||
| 1031 | Markgraft united to Bohemia Duchy | ||
| 1526 | 24 october | Markgraft united to Austrian Kingdom | |
| 1918 | 28 october | Union to Bohemia |