| 1579 | Poles drive Russians from city of Polotsk. |
| 1645 | Battle of Naseby. Royalist cavalry pursued themselves off the field and out of the battle which was ultimately won by Cromwell. |
| 1777 | Stars and Stripes adopted as US flag, replacing Grand Union flag. |
| 1821 | Battle of Carabobo, Venezuela, Bolivar defeated Spanish establishing independence for Columbia. |
| 1870 | The Franco-Prussian War begins with French mobilization. The Germans followed suit on the 15th. |
| 1942 | Afrika Korps captures Tobruk. |
| 1952 | Keel laid for 1st nuclear powered submarine, the Nautilus. |