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September 14th, 1901
Theodore Roosevelt officially starts his term as President. -
December 6th, 1904
President Roosevelt in his Annual address made a significant addition to the Monroe Doctrine. -
March 4th, 1913
Woodrow Wilson officially becomes President of the United States. -
July 28th, 1914
World War 1 begins when Archduke Franz Ferdinand of Austria was killed. -
May 7th, 1915
The Lusitania is sunk by German U-Boats and almost forces the US to join the war. -
April 2nd, 1917
The United States of America finally joins WWI. -
November 11th, 1918
World War 1 finally ends. -
January 6th, 1919
The 18th Amendment is ratified by Congress. -
August 18th, 1920
The 19th Amendment which gave women the right to vote is ratified.