U.S. President Woodrow Wilson announces the U.S. will remain neutral.
Germany sends the secret Zimmerman Telegram to Mexico in an effort to entice Mexico to join the war. The British intercept and decipher the coded message
The United States declares war on Germany
The Bolsheviks successfully overthrow the Russian government.
- The armistice agreed upon between the new Russian government and the Central Powers goes into effect.
President Woodrow Wilson declares his 14 points as the path to permanent world peace.
Woodrow Wilson sets sail for the Paris Peace conference
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President Wilson brings his campaign for the ratification of the Treaty of Versailles and its League of Nations to the American peopl