| | 717 | Muslim land attack failed to breach the walls of Constantinople. Muslims settle in for a year-long siege which was equally fruitless. |
| | 1388 | Battle of Otterburn. English fail to defeat Scottish invaders in night assault. |
| | 1645 | Battle of Klisyth, Stirling. Covenanter force of 6,000 cut down to the man by Montrose and his Royalists. |
| | 1760 | Battle of Liegnitz. Austrians march into Frederick the Great's lines and are defeated. |
| | 1812 | Panicked Americans abandon Fort Dearborn (Chicago). |
| | 1940 | Luftwaffe flew 1,786 individual sorties, the most for any day during the Battle of Britain. |
| | 1944 | Allies land in south France. |
| | 1947 | Indian sub-continent partitioned into nations of India and Pakistan. |