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Archduke Franz Ferdinand of Austria was assassinated while he was on a trip to Serbia. The Archduke was the heir to the throne of Austria-Hungary. His wife was also killed.
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This was the beginning of WWI. Threatened by Serbian ambition in Europe, Austria-Hungary determined that the proper response to the assassinations was to prepare for a possible military invasion of Serbia.
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France and Belgium begin full mobilization,
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President Woodrow Wilson declared that the United States would remain “impartial in thought as well as in action.”
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Austria-Hungary invades Russia
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German submarine sinks the passenger liner Lusitania during crossing from New York to Liverpool, England, killing 128 Americans.
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President Woodrow Wilson threatens to sever diplomatic ties between the United States and Germany following the sinking of the passenger ferry Sussex by a U-Boat in the English Channel.
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He sent a note to Congress, declaring that "no other alternative, consistent with the dignity and honor of the United States, remained but to hand the German Ambassador"
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President Woodrow Wilson delivered this address to a joint session of Congress. The resulting congressional vote brought the United States into World War I.
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after the U.S entered the First World War, the U.S Congress passes the Selective Service Act
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Western Front comprises the Franco-German-Belgian front and any military action in Great Britain, Switzerland, Scandinavia and Holland.
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In this address to Congress, President Wilson lists his "Fourteen Points" for a just and lasting peace.
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Russia signs a treaty with the Central Powers ending its participation in World War I.
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the second day of the great German offensive, was the first American offensive of World War I.
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the armistice that ended fighting on land, sea and air in World War I between the Allies and Germany.
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as a result of the Paris Peace Conference that ended the First World War
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Officially ending Germany's involvement in WW1
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the Treaty of Versailles came into effect, officially ending the First World War.
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by a vote of 49-35, they were seven votes short of a two-thirds majority needed for approval.
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signed in Berlin on August 25, 1921, in the aftermath of World War I.
