1844 - During a demonstration of naval fire power, one of the guns aboard the USS Princeton exploded. Several top U.S. government officials were killed. President John Tyler escaped narrowly.
1986 - Swedish Prime Minister Olof Palme (1927-1986) was assassinated in Stockholm while exiting a movie theater with his wife.
1994 - NATO conducted its first combat action in its 45 year history as four Bosnian Serb jets were shot down by American fighters in a no-fly zone.
28 February Knowledge History - Science, Engineering and Management