Question: what important events happened in world war 2?
Answer: November 11, 1918. World War I Ends. ... , January 30, 1933. Hitler Appointed German Leader. ... , September 1, 1939. World War II Begins. ... , September 17, 1939. Soviet Union Invades Poland. ... , September 27, 1939. Warsaw Captured. ... , December 13, 1939. UK Wins War's First Sea Battle. ... , April 8, 1940. Norway Invaded. ... , May 10, 1940.