| 0 | | Air Force Day in India and Navy Day in Peru |
| 0 | | Feast of St. Pelagia of Antioch, Harlot, Penitent, and Hermit |
| 876 | | Battle of Andernach: The Germans defeat King Charles II "the Bald" of France |
| 1085 | | St. Mark's Basilica in Venice was consecrated |
| 1600 | | San Marino adopts a written constitution, after 1200 years of independence |
| 1652 | | Battle of the Kentish Knock: Blake's English fleet defeats de Witt's Dutch off Dover |
| 1812 | | USN cutting out party takes HMSs 'Detroit' & 'Caledonia' in the Niagara River |
| 1813 | | Treaty of Reid: Bavaria abandons its French alliance and joins Austria and Prussia in the German national war against Napoleon |
| 1827 | | Naval Battle of Navarino: Allies defeat the Ottomans, though they're not at war at the time |
| 1862 | | Battle of Perryville: Confederate invasion of Kentucky halted |
| 1863 | | Britain seizes the "Laird Rams" - ironclads illicitly building for the Confederacy |
| 1871 | | Heat wave in the old Northwest causes disastrous forest fires around Peshtigo, Wisc (c. 1100 die) and in Chicago (c. 250 die), where Mrs. O'Leary's cow gets blamed |
| 1879 | | War of the Pacific, Battle of Punta Angamos: Chilean squadron defeats the Peruvian ironclad 'Huascar' |
| 1912 | | Montenegro declares war on Turkey, initiating the First Balkan War |
| 1916 | | Eighth Battle of the Isonzo begins (to Oct 10) |
| 1916 | | The German 'U-53' sinks five ships off Nantucket |
| 1917 | | Leon Trotsky is named chairman of the Petrograd Soviet |
| 1918 | | Sgt Alvin York captured "the whole damned German Army" -- Learn More |
| 1940 | | German troops enter Romania |
| 1941 | | Germans capture Mariupol, Russia |
| 1942 | | Guadalcanal: Battle on the Matanikau -- Marines halt a Japanese assault |
| 1952 | | Chinese offensive in Korea |
| 1990 | | Israeli police kill 17 Palestinian rioters |
| 1998 | | Taliban forces from Afghanistan raid Iranian border posts |