Wikipedia:Selected anniversaries/July 15
- 1410 – The Kingdom of Poland and the Grand Duchy of Lithuania defeated the Monastic State of the Teutonic Knights in the Battle of Grunwald, the decisive engagement of the Polish-Lithuanian-Teutonic War.
- 1685 – James Scott, Duke of Monmouth, was executed for his role in the Monmouth Rebellion, an attempt to overthrow the King James II of England.
- 1799 – French soldiers uncovered the Rosetta Stone (pictured) in the Egyptian port city of Rashid.
- 1823 – A fire destroyed the ancient Basilica of Saint Paul Outside the Walls in Rome. The church would later be restored by 1840.
- 1974 – Greek-sponsored nationalists overthrew Archbishop Makarios, President of Cyprus, in a coup d'état and replaced him with Nikos Sampson.
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