-
Theodore Roosevelt officially starts his term as President. -
President Roosevelt in his Annual address made a significant addition to the Monroe Doctrine. -
Woodrow Wilson officially becomes President of the United States. -
World War 1 begins when Archduke Franz Ferdinand of Austria was killed. -
The Lusitania is sunk by German U-Boats and almost forces the US to join the war. -
The United States of America finally joins WWI. -
World War 1 finally ends. -
The 18th Amendment is ratified by Congress. -
The 19th Amendment which gave women the right to vote is ratified.