Today is Monday, May 10, the 130th day of 2010. There are 235 days left in the year.
1497 _ Italian navigator Amerigo Vespucci leaves for first voyage to New World
1503 _ Columbus discovers Cayman Islands
1752 _ Benjamin Franklins first tests the lightning rod
1787 _ Parliament impeaches Warren Hastings
1908 _ First Mother's Day observed (Philadelphia)
1933 _ Nazis stage public book burnings in Germany
1940 _ Winston Churchill succeeds Neville Chamberlain as British P.M.
1972 _ Overloaded South Korean bus plunges into reservoir, killing 77
1983 _ Lee Chin-yong performs 170 continuous chin-ups in Seoul
1994 _ Nelson Mandela sworn in as South Africa's first black president