| YEAR | DATE | EVENT | HEAD OF STATE | PRIME MINISTER |
| 1230 | State of Teutonic Order |
|
| YEAR | DATE | EVENT | HEAD OF STATE | PRIME MINISTER |
| 1525 | 8 april | Duchy - dinasty Hoenzollern | duke Alberto G.M. Ordine Teutonico | |
| 1568 | duke Federico | |||
| 1618 | Duchy of Markgraft of Brandenburg |
|
| YEAR | DATE | EVENT | HEAD OF STATE | PRIME MINISTER |
| 1701 | 18 january | Kingdom | king Federico I | |
| 1713 | 25 february | king Federico Guglielmo I | Francesco Giorgio Manderscheid | |
| 1729 | John Federico Manderscheid | |||
| 1731 | x | |||
| 1740 | 31 may | king Federico II | ||
| 1786 | 17 august | king Federico Guglielmo II | ||
| 1797 | 16 november | king Federico Guglielmo III | ||
| 1840 | 7 june | king Federico Guglielmo IV |
|
| YEAR | DATE | EVENT | HEAD OF STATE | PRIME MINISTER |
| 1861 | 2 january | king Guglielmo I emperor Germany | ||
| 1862 | canchelor Ottone of Bismarck | |||
| 1871 | Canchelor of Germany | - | ||
| 1888 | 9 march | king Federico III emperor Germany | ||
| 1888 | 15 june | king Guglielmo II emperor Germany | ||
| 1918 | 14 november | Union to Polonia |