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Mao Zedong heads Long March
To escape from the Nationalists, Mao Zedong headed a march throughout China. -
Germany invades Poland; France and Great Britain declare war on Germany
France and Britain finally realized this is enough and declared war on Germany. -
Japan attacks Pearl Harbor
This caused the US to join the war. -
United Nations formed
After the war, the world wanted a stronger international force. -
Germany Surrenders
This was the ending of the Atlantic side of the war. -
Allies use atomic bombs on Hiroshima and Nagasaki
This ended the war on the pacific side.