Wikipedia:Selected anniversaries/August 29
August 29: Feast day for the Beheading of St. John the Forerunner (Christianity)
- 1533 - Emperor Atahualpa was executed by Conquistadors in Cajamarca during the Spanish conquest of the Inca Empire.
- 1756 - Frederick II of Prussia (pictured) launched an invasion of Saxony, starting the Seven Years' War.
- 1907 - The Quebec Bridge, the longest cantilever bridge in the world, collapsed during construction, killing 75 workers.
- 1944 - Slovak troops turned against the pro-Nazi regime of Jozef Tiso and the German Wehrmacht, starting the Slovak National Uprising.
- 2005 - Storm surges of Hurricane Katrina caused multiple breaches in levees around New Orleans, flooding most of the city.