August 30: St. Rose of Lima's Day in Peru; Victory Day in Turkey.
- 1800 - Gabriel Prosser attempted a slave rebellion in Virginia, United States.
- 1813 - Napoleonic Wars: French General Dominique Vandamme and thousands of his soldiers were captured in the Battle of Kulm by forces of the Sixth Coalition under Field Marshal Michael Andreas Barclay de Tolly (pictured).
- 1862 - American Civil War: James Longstreet and Stonewall Jackson led their Confederate troops to a decisive victory in the Second Battle of Bull Run.
- 1992 - Michael Schumacher won his first Formula One race at the Belgian Grand Prix.
- 1999 - The people of East Timor voted for independence from Indonesia in a referendum.