Wikipedia:Selected anniversaries/August 29
August 29: Feast day for the Beheading of St. John the Baptist (Christianity)
- 1533 – Spanish conquest of the Inca Empire: Conquistador Francisco Pizarro executed Inca Emperor Atahualpa in Cajamarca.
- 1756 – As neighboring countries began conspiring against him, Frederick II of Prussia (pictured) launched a preemptive invasion of Saxony, starting the Seven Years' War.
- 1907 – The Quebec Bridge, currently the longest cantilever bridge span in the world at 549 m (1800 ft) connecting Quebec City and Lévis, Quebec, Canada across the St. Lawrence River, collapsed during construction, killing 75 workers.
- 1944 – World War II: Slovak troops turned against the pro-Nazi government of Jozef Tiso and the German Wehrmacht, starting the two-month long Slovak National Uprising.
- 2005 – Storm surges of Hurricane Katrina caused multiple breaches in levees around New Orleans, flooding about 80 percent of the city and many neighboring areas for weeks.
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