April 24:
1479 B.C.: Thutmose III ascends the Egyptian throne, but the pharaohic power shifts to Hatsheptsut.
1184 B.C.: The traditional date for the Greeks' entry into Troy using the Trojan Horse.
A.D. 1066: After seeing Halley's Comet, an English monk takes it as an omen that England will be destroyed (it was conquered that same year).
A.D. 1915: The German army begins using chloroform gas in the Battle of Ypres.