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Period: to
War ends
November 11 was the end of The Great War. 65 million people were mobilized in the war and the total of both civilian and military casualties was 37 million. -
Franz Ferdinand Assassination
The assassination of Archduke Franz Ferdinand instigated the beginning of World War I -
Austria-Hungary declares war on Serbia
Austria-Hungary blamed the archduke assassination on Serbia, declared war on them, then starting World War I -
First use of gas as a weapon by the Germans
On April 22, 1915 German forces attack Allied soldiers with 150 tons of lethal chlorine gas against two French colonial divisions at Ypres, Belgium. -
Sinking of the Lusitania
Because of Germany's unrestricted submarine warfare, the British RMS Lusitania was sunk. En route from New York to Liverpool England, the Lusitania was sunk by German U-boats. -
Wilson re-elected; pledged American nutrality
The Democratic president Woodrow Wilson, elected 1912, pledged to keep America out of the war. When he was reelected in 1916, his slogan was "He kept us out of the War." -
Zimmerman Note
Arthur Zimmerman, a German, sent a letter to the German Embassy in Mexico asking if they could attack America. The British intercepted the telegram and sent it to America. -
U.S. Declares war on Germany
Because of the Zimmerman Note, the unrestricted submarine warfare, and the Lusitania caused America to declare war on Germany. -
Bolsheviks, led by Vladimir Lenin, overthrew the Russian government
The Bolsheviks and their leader, Vladimir Lenin, overthrew the Duma's provisional government. -
Treaty of Versailles
The treaty was the most important peace treaties to end the war. The treaty ended the war between Germany and the Allied Powers.
