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the archduke of austro-hungary was assasinated by a serbian nationalist. this started the war, which we entered the war in 1917 -
one month after the assasination of the archduke, austria-hungary declares war on serbia and leads to the us joining the war in 1917 -
great britian declares war on germany for violating belgian neutrality, us has still not entered the war -
British ocean liner Lusitania is torpedoed without warning by a German submarine and 128 of them were americans, so this worsened relations with germany -
France lost 48,320 casualties while Great Britain lost 61,713. after germany promised not to sink any passenger ships -
The British intercept a telegram sent by Alfred Zimmermann in the German Foreign Office to the German embassies in Washington, D.C and this concerns america because they were trying to have mexico go to war with the us -
the United States formally declared war against Germany and entered the conflict in Europe. wilson tried to stay out of it for 3 years -
The first American troops land in France. american troops were officially at war with germany -
Armistice Ends Fightingin a railway car at Compiègne, France, the Germans sign the Armistice. americans stopped fighting -
At the Palace of Versailles in France, a German delegation signs the Treaty formally ending the war. american troops left europe