- 1542 Rabbi Joseph Caro completes his commentary of Tur Code
- 1850 1st US National Women's Rights Convention convenes in Worcester, Massachusetts
- 1942 Battle of Stalingrad: 600 Luftwaffe planes bomb Stalingrad (40,000 die)
- 1996 Osama bin Laden issues message entitled 'A declaration of war against the Americans occupying the land of the two holy places.'
- 2005 Hurricane Katrina forms over the Bahamas, later becoming a category 5 hurricane
World War II: last cavalry charge in history takes place at Isbushenskij, Russia; the Italian Savoia Cavalleria charges Soviet infantry
On August 23, 1942