On this day:

1984 Indira Gandhi assassinated

1992 Catholic church regrets its handling of Galileo Galilee’s case

2011 Day of Seven Billion. The world’s official population reached 7 billion on approximately this day. 

Born on this day:

1875 Vallabhbhai Patel, Indian activist, politician, 1st Deputy Prime Minister of India

1918 Ian Stevenson, American biochemist

Gone on this day:

1926 Harry Houdini, Hungarian/American magician, actor