| | 641 | Battle of al-Fustat, Amr ibn-al-As captures Babylon from the Byzantines. |
| | 1241 | Battle of Wahlstatt. Henry II, Duke of Silesia attempted to block Monguls - not one man of Henry's force survived. |
| | 1388 | Battle of Naefels. 500 Swiss, roll boulders on 6,000 Austrians, then a attack and route them. The Austrians lost 80 knights and 2,000 soldiers. |
| | 1865 | Lee surrenders at Appomattox. |
| | 1940 | Germans invade Norway. |
| | 1940 | Germans invade Denmark. |
| | 1940 | Battle of Calabria. Naval skirmish between British and Italian forces. |
| | 1945 | Königsberg taken by Russian army. |