Wikipedia:Selected anniversaries/July 15
- 1410 – The Kingdom of Poland and the Grand Duchy of Lithuania defeated the Teutonic Knights in the Battle of Grunwald.
- 1685 – James Scott, Duke of Monmouth, was executed for his role in the Monmouth Rebellion.
- 1799 – French soldiers uncovered the Rosetta Stone in the Egyptian port city of Rashid.
- 1806 – The Pike expedition, led by Zebulon Pike to explore the Louisiana Territory, began near St. Louis, Missouri.
- 1974 – Archbishop Makarios, President of Cyprus, was overthrown in a coup d'état.