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a teenage Serbian nationalist gunned down Archduke Franz Ferdinand and his wife Sophie as their motorcade drove through the streets of Sarajevo
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Emperor Franz Joseph of Austria-Hungary declares war on Serbia.
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U-boat sinks the Lusitania. 1,198 civilians, including 128 Americans die.
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This battle resulted in an estimated one million casualties with no breakthrough for the allies.British introduce the tank
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Wilson was re-elected president with a campaign slogan of "He kept us out of the war."
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Zimmermann's telegram to Mexico urging her entry into war against the United States, discovered and translated by the British.
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required all men in the U.S. between the ages of 21 and 30 to register for military service.
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intended to prohibit interference with military operations or recruitment, also to prevent insubordination in the military, and to prevent the support of U.S. enemies during the time of war
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the flu epidemic was an unusually deadly influenza pandemic
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declared that world war one was being fought for a moral cause and a calling for peace in Europe
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extended the espionage act of 1917 to cover a broader range of offenses, notably speech and the expression of opinion that cast the government or the war effort in a negative light or interfered with the sale of government bonds
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At eleven o'clock on the eleventh day of the eleventh month of 1918 the war ends as Germany and Allies sign an Armistice.
