| 0 | | Navy Day in Poland |
| 0 | | Army and Navy Day in Azerbaijan |
| 1242 | | Battle of Kuzadagh: The Mongols defeat the Seljuks |
| 1249 | | Battle of Fossalta: The Bolognese defeat the Modenese |
| 1402 | | Battle of Casalecchio: Bolognese & Florentines under Giovanni I Bentivoglio of Bologna are defeated by Gian Galeazzo Visconti of Milan, the Malatesta of Rimini, & the Gonzaga of Mantua |
| 1483 | | Richard III usurps the English throne, stashing Edward V & his brother in the Tower, from which they will never emerge |
| 1707 | | Marshal Daun's Austrian Army invades Spanish-held Naples |
| 1775 | | Washington visits NY en route to assume command of the army at Boston. |
| 1794 | | Battle of Fleurus: French defeat the Austro-English, to secure Belgium |
| 1830 | | William IV, former naval person, ascends the British throne (1830-1837) |
| 1848 | | Battle of Castrovillari: The Neapolitan Borbons defeat Sicilian-Calabrese revolutionaries |
| 1857 | | Indian Mutiny: Cawnpore massacre |
| 1857 | | Queen Victoria awards the first VCs, decorating 62 veterans of the Crimea in Hyde Park |
| 1861 | | Skirmish at Patterson's Ford/Kelly's Island, Va |
| 1862 | | Day 2 of the Seven Days: Battle of Mechanicsville |
| 1898 | | Action near Santiago: US and Spanish troops skirmish at Sevilla |
| 1898 | | Action off Santiago: US ships & Spanish batteries exchange fire |
| 1902 | | Britain establishes the Order of Merit |
| 1917 | | First American combat troops arrive in France |
| 1924 | | US Marines leave the Dominican Republic, after 8 years of occupation |
| 1934 | | Germany and Poland sign a non-aggression pact |
| 1939 | | Polish anti-aircrft gunners down a German plane that had "strayed" over the Hela Peninsula |
| 1941 | | Nazi-collaborators in Lithuania massacre 2,300 Jews in Kovno |
| 1942 | | NE New Guinea: Australian Kanga Force raids Salamaua |
| 1943 | | Since Dec 7, 1941, Japan has lost 2 million g.r.t. of shipping |
| 1944 | | Japanese capture U.S. airbase at Hengyang, China |
| 1963 | | Berlin: Kennedy's "Ich bin ein Berliner" is wildly applauded |
| 1978 | | Breton separatists bomb the Palace of Versailles |
| 1742 | | Arthur Middleton, Signer of the Declaration of Independence, d. 1787 |
| 1810 | | Joseph-Michel Montgolfier, 69, with his brother, co-inventor of the hot air balloon |
| 1819 | | Abner Doubleday, Maj. Gen, U.S., who didn't invent baseball, d. 1893 |
| 1837 | | Martin Davis Hardin II, Brig Gen, U.S., d. 1923 |
| 1837 | | Victor Jean Baptiste Girardey, Brig Gen, C.S.A., kia 1864 |
| 1865 | | Bernard Berenson, Fascist-friendly art critic, d 1959 |
| 1898 | | Willy Messerschmitt, German aircraft designer, d. 1978 |
| 1898 | | Lewis "Chesty" Puller, iconic US Marine with 5 awards of the Navy Cross, plus a DSC, d. 1971 |
| 1901 | | Stuart Symington, WW I veteran, first Secretary of the Air Force (1947-1950), liberal politician, d. 1988 |
| 363 | | Flavius Claudius Julianus -- the Roman Emperor Julian 'the Apostate' (360-363), c. 31, of wounds in action against the Persians |
| 1402 | | Giovanni I Bentivoglio, Lord of Bologna (1401-1402), kia against the Visconti at Casalecchio. |
| 1541 | | Francisco Pizarro González, 1st Marqués de los Atabillos, c. 60-65, conquistador, sword in hand fighting his assassins, crying "Jesus!" |
| 1757 | | Maximilian Ulysses Browne, 51, Irish soldier of fortune, Austrian field marshal and baron of the HRE, d. of wounds |
| 1830 | | King George IV of Great Britain & Hanover (1820-1830), 67 |
| 1836 | | Claude Joseph Rouget de Lisle, 75, French army officer during Revolutionary Wars, composer of 'La Marseillaise' -- Learn More |
| 1922 | | Prince Albert I of Monaco (1889-1922), French naval officer, oceanographer, at 73 |
| 1943 | | Brigadier Claude Nicholson, 44, who held Calais (May 22-26, 1940), in a German P/W camp -- Learn More |