| 480 | BC | Battle of Thermopylae -- "Go, tell the Spartans, we lie here in obedience to their orders." [Trad] |
| 0 | | Refrigerator Day |
| 0 | | Feast of Bernard of Menthon, Patron of Gibraltar, Algeciras, and the Knights Templar |
| 636 | | Battle of the Yarmuk: After six days of fighting Arab forces under Khalid ibn al-Walid inflict a devastating defeat on the Byzantines under Heraclius, securing Syria for Islam |
| 917 | | Battle of Anchialus: Simeon the Great of the Bulgars defeats the Byzantines |
| 1119 | | Battle of Bremule/Brenneville: Henry I of England defeats Louis IV of France |
| 1499 | | Second Naval Battle of Sapienza: Turks & Venetians clash |
| 1504 | | Cesare Borgia is shipped out of Italy by Pope Julius II to be imprisoned in Spain |
| 1648 | | Battle of Lens: The Great Conde feigns retreat to rout a larger Austrian force |
| 1673 | | The Texel: Dutch fleet defeats an Anglo-French attempt to invade the Netherlands |
| 1707 | | First British Siege of Pensacola: After an 8-day investment, the British abandon their attempt to take the town, held by pro-Bourbon Spanish troops |
| 1781 | | Washington marches from NY to fight Cornwallis at Yorktown -- Learn More |
| 1794 | | Battle of Fallen Timbers: Maj Gen "Mad" Anthony Wayne routs the Ohio Indian Confederacy |
| 1847 | | Battle of Contreras: Brig Gen (and future president) Franklin Pierce breaks the Mexican front -- Learn More |
| 1861 | | Skirmish at Hawk's Nest, WVa |
| 1861 | | Skirmish at Jonesboro, Ms |
| 1866 | | Pres Andrew Johnson formally declares the Slaveholders' Rebellion over |
| 1882 | | Tchaikovsky's "1812 Overture" debuts in Moscow, with help from the gunners of the Imperial Guard -- Learn More |
| 1914 | | Battle of Gumbinnen: Russians defeat Germans in East Prussia |
| 1914 | | German troops occupy Brussels |
| 1914 | | German troops massacre 211 Belgian civilians at Andenne. |
| 1915 | | Italy declares war on Turkey |
| 1918 | | Britain opens offensive on Western Front |
| 1926 | | Uprising against Reza Shah Pahlavi in Persia |
| 1940 | | Leon Trotsky is mortally wounded in Mexico City by a Stalinist agent |
| 1940 | | Winston Churchill says, "Never in the field of human conflict was so much owed by so many to so few" -- Learn More |
| 1942 | | 31 Marine aircraft off USS 'Long Island' (CVE-1) land on Guadalcanal |
| 1942 | | Japanese order landing of 1500 troops at Milne Bay, southeastern Papua |
| 1942 | | Wartime dim-out begins in San Francisco |
| 1943 | | Kiska secured, as Japanese had left prior to Allied landing on the 15th |
| 1943 | | Marines take Baanga I, at a cost of 52 killed and 110 wounded |
| 1944 | | Biak I., off New Guinea, is cleared of Japanese forces after 3 months |
| 1944 | | Charles de Gaulle returns to Paris |
| 1944 | | Russian offensive at Iasi & Kishinev, Romania |
| 1945 | | Five days after the Armistice, Br recon a/c over Burma are fired upon by Japanese antiaircraft batteries. |
| 1945 | | Five days after the Armistice, Japanese forces in China cease fire, as Red Chinese forces occupy Kalgan, northwest of Peking, and Russian troops capture Harbin & Mukden, Manchuria |
| 1945 | | Five days after the Armistice, a second militarist coup is suppressed at Tokyo |
| 1955 | | Anti-French rioting in Morocco and Algeria, hundreds die |
| 1955 | | USAF Col. Horace A. Hanes' SuperSaber reaches 40,000 feet and 822.135 mph |
| 1959 | | Belgium shortens conscription to 12 months |
| 1968 | | Czechoslovakia is invaded by 650,000 Warsaw Pact troops, ending the "Prague Spring" |
| 1978 | | Palestinian gunmen open fire on an El Al bus in London |
| 1982 | | US Marines land in Beirut |
| 1988 | | IRA landmine demolishes a British military bus, 8 die |
| 1991 | | Estonia declares independence from the USSR |
| 1778 | | Bernardo O'Higgins Riquelme, Chilean patriot, d. 1842 |
| 1802 | | Cadwalader Ringgold, naval officer, U.S., d. 1867 |
| 1811 | | Gilman Marston, Brig Gen, U.S., d. 1890 |
| 1824 | | Absalom Baird, Brig Gen, U.S, d. 1905 |
| 1832 | | Thaddeus Sobieski Constantine Lowe, Civil War balloonist, d. 1913 |
| 1833 | | Benjamin Harrison, sometime colonel, 70th Indiana, President (1889-1893), d. 1901 -- Learn More |
| 1882 | | Enrico Toti, Italian cyclist, patriot, and one-legged war hero, kia 1916 -- Learn More |
| 1890 | | Howard Phillips Lovecraft, American author, creator of 'Cthulhu', d. 1937 |
| 1893 | | Piero Pieri, sometime decorated Alpino, military historian, d. 15 dicembre 1979 |
| 1903 | | Zhang Lingfu, Chinese Nationalist general, kia 1947 |
| 1941 | | Slobodan Milosevich, President of Serbia (1989-1997), the Federal Republic of Yugoslavia (1997-2000), war criminal |
| 651 | | St. Oswin, King of Deria (642-651), Martyr |
| 984 | | Pope John XIV (983-984), a prisoner of Anti-Pope Boniface VII |
| 1153 | | St. Bernard of Clairvaux, c. 62-63, who called for the Second Crusade |
| 1191 | | 2,500 Moslem men, women, & children massacred at Acre by order of "Good King" Richard I of England, slain in 'retaliation' for a similar 'heroic' deed by Saladin, the "Light of Islam" |
| 1672 | | Johan de Witt (47), Grand Pensionary of Holland (1653-1672) and his brother Cornelius (49), lynched at the Hague |
| 1804 | | SGT Charles Floyd, c. 22, of "bilious cholic" - the only fatality on the Lewis & Clark Expedition |
| 1823 | | Pope Pius VII - Barnaba Chiaramoni (1800-1823), 82 |
| 1985 | | Sant Harchand Singh Longowal, 53, Sikh leader, shot by Sikh extremists |
| 2006 | | Joe Rosenthal, 91, photographer - Learn More |
| 2010 | | Charles Roberts, 80, pioneer wargame publisher |