- 1461 Ming Dynasty Chinese military general Cao Qin stages a coup against the Tianshun Emperor
- 1714 The Battle of Gangut: the first important victory of the Russian Navy during the Great Northern War against Sweden
- 1933 The Iraqi Government slaughters over 3,000 Assyrians in the village of Sumail. The day becomes known as Assyrian Martyrs Day.
- 1955 Tokyo Telecommunications Engineering, the precursor to Sony, begins selling its first transistor radios in Japan
- 1990 Operation Desert Shield begins - US deploys troops to Saudi Arabia
George Washington creates the Purple Heart medal (original name Badge of Military Merit) as commander of the Continental Army
On August 7, 1782