Today in Military History: June 30
Events of Military significance on this day:
| 1422 | The Battle of Arhbedo. |
| 1520 | Cortez fought his way out of Tenochtitlán against Aztec revolt. |
| 1677 | Battle of Koge Bight. Danish sank or captured eleven Swedish ships. |
| 1690 | Battle of Beachy Head, French fleet defeats combined English-Dutch fleet. |
| 1914 | Mahatma Gandhi's 1st arrest, in campaign for Indian equal rights in South Africa. |
|