| 0 | | World Freedom of the Press Day |
| 0 | | Feast of St. James the Lesser, Patron of Uruguay |
| 326 | | St. Helena, mother of the Emperor Constantine, discovered the "True Cross" |
| 996 | | Consecration of Pope Gregory V (996-999), first German pope |
| 1294 | | John II becomes Duke of Brabant, Lothier, and Limburg (1294-1312). |
| 1342 | | Hartmann II becomes Baron of Liechtenstein (1544–1585) |
| 1382 | | Battle of Beverhoudsveld: Ghent defeats Bruges, using firearms |
| 1515 | | Portuguese fleet captures Hormuz, Persia |
| 1568 | | The French burn the Spanish fort at San Mateo, Florida |
| 1616 | | Treaty of Loudun: ends Second League of Princes rebellion against Louis XIII (1615-1616) |
| 1622 | | Portguese Hormuz, besieged since 18 Feb, surrenders to an Anglo-Persian force |
| 1678 | | French fleet attacks Dutch Curaçao, 1200 die |
| 1800 | | Second Battle of Stockach: French defeat the Austrians |
| 1808 | | The Russians capture Sveaborg from the Swedes |
| 1808 | | Zachary Taylor received a direct commission as a first lieutenant in the 7th Infantry -- Learn More |
| 1809 | | Battle of Ebelsberg: French defeat the Austrians |
| 1810 | | Lord Byron & Royal Marine Lt. William Ekenhead swim the Hellespont |
| 1811 | | the three day Battle of the Fuentes de Oñoro began, as Massena attacked Wellington -- Learn More |
| 1814 | | Napoleon arrived on Elba -- Learn More |
| 1815 | | Battle of Tolentino: Austrians defeat King Joachim Murat of Naples |
| 1844 | | Anti-Catholic rioting in Philadelphia leaves six dead, many injured, and several churches burnt |
| 1846 | | The Mexican Army invades Texas |
| 1861 | | Lincoln orders expansion of Army by 23,000 and Navy by 18,000 |
| 1861 | | USS 'Surprise' captures Confederate privateer 'Savannah' |
| 1861 | | Winfield Scott proposes the "Anaconda Plan" |
| 1863 | | Battle of Salem Church, VA |
| 1898 | | Marines raise Old Glory over Cavite, the Philippines |
| 1936 | | French Popular Front wins elections |
| 1938 | | The Vatican recognizes Franco's government in Spain |
| 1938 | | Hitler arrives at Rome to confer with Mussolini and see the sights, but the Vatican is "closed for maintenance" |
| 1942 | | Nazis require Dutch Jews to wear a Star of David |
| 1942 | | Solomon Is.: Japanese troops occupy Tulagi, Gavutu, & Tanambogo |
| 1943 | | US 1st Armored Div captures Mateur, Tunisia |
| 1944 | | Allied aircraft begin mining waters off Rangoon and Bangkok |
| 1944 | | Meat rationing ends in US |
| 1945 | | Allies arrest German nuclear physicist Werner Heisenberg |
| 1945 | | British troops liberate Rangoon from the Japanese |
| 1945 | | RAF sinks several German prison-ships in Lubeck Bay, c. 7,500 die |
| 1946 | | The Allied Military Tribunal in Tokyo begins war crimes trials |
| 1949 | | First firing of a US Viking rocket, to 80 km |
| 1982 | | Falklands War: Argentine exocet sinks HMS 'Sheffield' |
| 1983 | | US Catholic bishops condemn nuclear weapons |
| 611 | | Byzantine Emperor Constantine III (Feb 11-May 26 [?] 641) |
| 1455 | | King Joao II of Portugal (1481-95), friend to Jews |
| 1469 | | Niccolo Machiavelli, diplomat, strategist, author ("The Prince"), friend to Cesare Borgia, patron of Leonardo, d. 1527 |
| 1816 | | Montgomery Meigs, Brig Gen, U.S., d. 1892 |
| 1826 | | King Charles XV Bernadotte of Sweden and Norway (1859-72) |
| 1897 | | V. K. Krishna Menon, leftist Indian Minister of Defense, d. 1974 |
| 1898 | | Golda Meir, Israeli PM (1969-74), d. 1978 |
| 1930 | | Mark R. Peattie, historian of Imperial Japan ("Kaigun," etc.), d. 2014 |
| 115 | | Pope St. Alexander I (c. 106-115), martyr |
| 1270 | | King Bela IV of Hungary (1235-1270), 63 |
| 1294 | | Duke John I "The Victorious" of Brabant (1267-1294), and of Lothier and Limburg (1288-1294), c. 42 |
| 1410 | | Antipope Alexander V - Pietro Philargi (June 26, 1409-May 3, 1410), c. 70 |
| 1442 | | Count Engelbert I of Nassau-Dillenburg (1420-1442) |
| 1481 | | Sultan Mehemet II "the Conqueror" (1444-1446, 1451-1481), who took Constantinople and much else, amidst great slaughter, at 49 -- Learn More |
| 1758 | | Pope Benedict XIV - Propsero Loreanzo Lambertini (1740-1758), scholar, 83 |
| 1816 | | James McHenry, Irish-born Continental Army surgeon, Signer of the Constitution from Maryland, & third U.S. SecWar (1796–1800), who lent name to Ft. McHenry, at 62 |
| 1848 | | Hans Ernst Karl, 78, Graf von Zieten, Waterloo corps commander, Prussian Field Marshal |
| 1908 | | István Türr, 82, Hungarian soldier, Italian patriot, Garibaldino, engineer, peace advocate |
| 1916 | | Patrick Henry Pearse/Pádraig Pearse, 35, Irish patriot, by British firing squad |
| 1926 | | Napoleon V Bonaparte, pretender to the throne of France, at 65 |
| 2007 | | Walter M. Schirra, Jr., USN, astronaut, at 84 |