| January 5 | 1762 | Russia | Death of Empress Elisabeth; Accession of Emperor Peter III (b 21 Feb 1728) |
| January 14 | 1972 | Denmark | Death of King Frederik IX; Accession of Queen Margrethe II (b 16 Apr 1940) |
| January 20 | 1612 | Holy Roman Empire | Death of Emperor Rudolf II |
| January 24 | 1712 | Prussia | Birth of King Friedrich II "the Great" |
| February 6 | 1952 | United Kingdom | Death of King George VI; Accession of Queen Elizabeth II (b 21 Apr 1926) |
| February 12 | 1912 | China | Abdication of Emperor Puyi |
| February 25 | 1912 | Luxembourg | Death of Grand Duke Guillaume IV; Accession of Grand Duchess Marie Adelaide (b 14 Jun 1894) |
| April 14-15 | 1912 | | Titanic |
| May 12 | 1937 | United Kingdom | Coronation of King George VI |
| May 14 | 1912 | Denmark | Death of King Frederik VIII; Accession of King Christian X (b 26 Sep 1870) |
| May 20 | 1912 | Hanover | Death of Prince Georg Wilhelm |
| June 3 | 1937 | (France) | Marriage of Edward, Duke of Windsor and Wallis [Warfield] Simpson |
| June 13 | 1612 | Holy Roman Empire | Accession of Emperor Matthias (b 24 Feb 1557; crowned 26 Jun) |
| July 9 | 1762 | Russia | Deposition of Emperor Peter III; Accession of Empress Catherine II (b 2 May 1729) |
| October 23 | 1862 | Greece | Deposition of King Otto |
| October 28 | 1412 | Denmark | Death of Queen Margrethe I; accession of King Eric VII (III) (b 1381/82) |
| November 20 | 1912 | Austria-Hungary | Birth of Archduke Otto |
| December 12 | 1912 | Bavaria | Death of Prince Regent Luitpold |