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| 1100 | Albert I the Bear |  |
| Brandenburg Birth of Albert I the Bear, son of Otto the Rich |
| 1150 | Albert I the Bear | |
| Brandenburg Appointed Margrave of Brandenburg |
| 1152 | Albert I the Bear | |
| Brandenburg Receives the Bishopric of Brandenburg |
| 1415 | Frederick I | |
| Berlin Appointed Elector of Brandenburg |
| 1440 | Frederick the Fat | |
| Brandenburg Appointed Elector of Brandenburg |
| 1440 | Joachim I | |
| Brandenburg Appointed Elector of Brandenburg |
| 1470 | Albert III Achilles | |
| Brandenburg Appointed Elector of Brandenburg |
| 1473 | Albert III Achilles | |
| Brandenburg Lays the foundation for the primogeniture, "Disposito Achillea" |
| 1486 | John Cicero | |
| Brandenburg Appointed Elector of Brandenburg |
| 1525 | Brandenburg | |
| 8th April Brandenburg Leader of the Teutonic order assumes the title "Duke of Prussia" |
| 8th April Brandenburg Succeeds as Duke of Germany |
| 1535 | Joachim II | |
| Brandenburg Appointed Elector of Brandenburg |
| 1535 | John | |
| Brandenburg Appointed Elector of Brandenburg |
| 1571 | John George | |
| Brandenburg Appointed Elector of Brandenburg |
| 1594 | John Sigismund | |
| Brandenburg Marries Anne of Prussia |
| 1598 | Joachim Frederick | |
| Brandenburg Appointed Elector of Brandenburg |
| 1608 | John Sigismund | |
| Brandenburg Appointed Elector of Brandenburg |
| 1613 | John Sigismund | |
| Brandenburg Converts to Calvinism |
| 1618 | John Sigismund | |
| Brandenburg Becomes the Duke of Prussia |
| 1619 | William, George | |
| Berlin Appointed Elector of Brandenburg |
| 1620 | Frederick William | |
| Birth of Frederick William, son of Elector George William |
| 1620 | George William | |
| Brandenburg Appointed Elector of Brandenburg |
| 1631 | George William | |
| Brandenburg Forced to drop neutrality & ally with Sweden |
| 1631 | William, George | |
| Brandenburg Forced to join the Protestants by Gustav II Adolphus |
| 1640 | Frederick William | |
| Prussia Prepares for the growth in Prussian power by successful wars with Sweden & Poland |
| Succeeds as King of Prussia |
| 1675 | Frederick William | |
| 28th June Brandenburg The Swedes, under Count Waldemar von Wrangel had invaded and occupied parts of Brandenburg from their possessions in Pomerania, but were repelled by the forces of Frederick William |
| 1688 | Frederick I | |
| Brandenburg Succeeds to the electorate of Brandenburg, as Frederick III, 1688-1701 |
| 1799 | Maximilian I Joseph | |
| Bavaria Appointed Elector of Bavaria, 1799-1806 |
| 1882 | Schleicher, Kurt von | |
| 7th April Brandenburg Birth of Kurt von Schleicher |
| 1945 | Fromm, Friedrich | |
| 12th Mar Brandenburg Death of Friedrich Fromm, executed |
| 12th Mar Brandenburg Executed after being found guilty by a People's Court |
