Today is Thursday, January 21, the 21st day of 2010. There are 344 days left in the year.
1077 _ German King Heinrich IV petitions Pope Gregory VII for forgiveness
1189 _ Philip II, Henry II and Richard Lion-Hearted initiate third Crusade
1793 _ Prussia and Russia sign partition treaty (Poland divided)
1799 _ Edward Jenner's smallpox vaccination is introduced
1903 _ ``Wizard of Oz" premieres in New York City
1903 _ Harry Houdini escapes police station Halvemaansteeg in Amsterdam
1977 _ President Jimmy Carter pardons almost all Vietnam War draft evaders
1977 _ Italy legalizes abortion
1978 _ Bee Gees' ``Saturday Night Fever" album goes No. 1 for 24 weeks
1990 _ John McEnroe becomes the first ever expelled from the Australian Open for throwing a tantrum and swearing at an official