| | 1204 | French-Venetian crusaders sack Constantinople. First time in 900 years that Constantinople fell to an invader. |
| | 1782 | Battle of the Saints. British admiral Rodney departed from standard practice and broke the French line of battle, capturing or destroying seven ships. |
| | 1815 | Battle of Ferrara. Marshal Murat attempts to come to the aid of Napolen but was unable to force the passage of the Po. |
| | 1861 | Fort Sumter, S. C., shelled by Confederacy, starts Civil War. |
| | 1864 | Fort Pillow Massacre. Confederates capture Fort Pillow and massacre black Federal soldiers. |