3 November History and Importance of The Day

644 - Umar ibn al-Khattab, the second Muslim Khalifa (caliph) was assasinated in Medina.
http://en.wikipedia.org/wiki/Umar
http://www.al-islam.org/restatement/57.htm
http://www.al-islam.org/restatement/54.htm

1394 - Jews are expelled from France by Charles VI

 1534 - King Henry VIII became Supreme Head of the Church of England following the passage of the Act of Supremacy by Parliament.

1839 - The first Opium War between China and Britain began after British frigates blew up several Chinese junks.

1903 - Panama declared itself independent of Colombia following a revolt engineered by the U.S.

1957 - Soviet Russia launched the world's first inhabited space capsule, Sputnik II, which carried a dog named Laika.