| 0 | | Feast of Saint Theotimus of Tomi, Missionary to the Huns |
| 1042 | | Byzantine Emperor Michael V (Dec 10, 1041-Apr 20, 1042), was deposed, blinded, castrated, and dispatched to a monastery |
| 1283 | | Sicilian naval hero Roger de Lauria becomes Grand Admiral of Catalonia |
| 1505 | | Philbert of Luxemburg expels the Jews from Burgundy |
| 1653 | | Coup by Oliver Cromwell dissolves the "Rump" Parliament and institutes a dictatorship under the title "Lord Protector" (1653-1658) |
| 1775 | | American patriots blockade the British in Boston |
| 1792 | | Republican France declared war on Austria, Prussia, & Piedmont, initiating the War of the First Coalition -- Learn More |
| 1799 | | Napoleon issues a decree calling for settling Jews in Jerusalem |
| 1809 | | Battle of Abensberg: The French defeat the Austrians |
| 1813 | | Battle of Bautzen, Day 1: Napoleon v. the Russo-Prussians |
| 1836 | | Skirmish between Texian and Mexican outposts near San Jacinto |
| 1861 | | Robert E Lee resigns from the United States Army |
| 1861 | | Union forces burn and abandon Gosport (Norfolk, Va) Navy Yard. |
| 1864 | | Confederates capture 85th NY at Plymouth, NC |
| 1915 | | US Navy issues its first contract for lighter-than-air craft. |
| 1919 | | Polish Army captures Vilno from the Red Army |
| 1934 | | Heinrich Himmler becomes head of the Prussian secret police |
| 1936 | | The Battle of Petach Tikvah: Jews beat off an Arab attack on their Kibutz |
| 1941 | | German bombers raid Athens |
| 1941 | | Switzerland beats Germany 2-1 in soccer, on Hitler's birthday! |
| 1942 | | Burma: British forces begin a general withdrawal. |
| 1942 | | Malta subject to a heavy Axis air raid, as USS 'Wasp' (CV-7) launches 47 Spitfires to reinforce the defenses |
| 1942 | | Learning that Task Force 17 was to visit her country, Queen Salote Tupou III of Tonga ordered all young women into the hills, |
| 1943 | | USS 'Runner" (SS-275) lays mines off Hong Kong. |
| 1944 | | Burma: Chinese New 38th Div ejects Japanese from terrain near Kamaing, as the British approach the Yenangyaung oil fields. |
| 1944 | | India: British lift siege of Kohima, Japanese hold the road to Imphal |
| 1945 | | Okinawa: U.S. forces capture Motobu Heights, in the north |
| 1945 | | US Seventh Army captures Nuremberg, site of Nazi Party rallies |
| 1947 | | Peleliu: 27 Japanese troops surrender, 18 months after VJ-Day |
| 1951 | | Ticker tape parade on Broadway for General of the Army Douglas MacArthur |
| 1987 | | US deports Karl Linnas, charged with Nazi war crimes, to USSR |
| 1999 | | Columbine Massacre: Two students run amok in Columbine High School, Colorado, 13 killed, 2 suicides |
