| | 1187 | Guy de Lusignan, last Christian King of Jerusalem, surrendered city to Saladin. |
| | 1529 | After three weeks of hard fighting, Turks raise the siege of Vienna. |
| | 1813 | Battle of Leipzig, or Battle of Nations. Napoleon defeated but was able to retreat in good order. |
| | 1859 | John Brown attacks the armory at Harper's Ferry. |
| | 1934 | Mao Tse-tung and the Communist Chinese army begin the "Long March." |
| | 1949 | Communists defeated in Greek Civil War. |