- 1187 3 Jul Saladin, Sultan of Egypt and Syria, destroys Jerusalem's crusader army at the Horns of Hattin, Palestine.
- 1863 3 Jul Gettysburg, the largest battle ever fought on the American continent, ends in victory for Union forces.
- 1940 3 Jul British warships destroy the French fleet at Mers-el-Kebir, Algeria, to prevent Germany seizing it.

