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Franz Ferdinand assassination
Archduke Franz Ferdinand of Austria and his wife Sophie were assassinated in Sarajevo, Bosnia, by a Serbian nationalist. This event is considered a key turning point in world history that led to the outbreak of World War I. The United States remained neutral throughout the war -
President Woodrow Wilson declared the United States
President Woodrow Wilson declared the United States' neutrality in the midst of the escalating World War I in Europe, meaning the U.S. would not take sides in the conflict, initially attempting to remain "impartial in thought as well as in action.". -
German U boat
a German U-boat torpedoed and sank the British passenger liner RMS Lusitania off the coast of Ireland, killing over 1,100 people including 128 Americans, significantly turning public opinion in the United States against Germany and contributing to the country's eventual entry into World War I -
presidential elections
Presidential elections were held in the United States on November 7, 1916. Incumbent Democratic President Woodrow Wilson narrowly defeated former associate justice of the Supreme Court Charles Evans Hughes, the Republican candidate. Presidential election results map. -
territory
promised Mexico the return of lost territory from the U.S. if they joined Germany in war, pushing the United States closer to entering World War I by fueling public anger against Germany and increasing pressure on President Wilson to declare war. -
declare of war
the United States officially declared war on Germany, formally entering World War I, significantly impacting the country by mobilizing its military, economy, and society to participate in the war effort on the side of the Allied Power -
arrival of tropps
the first American troops arrived in France, marking the official entry of the United States into World War I -
Sedition Act of 1918
the "Sedition Act of 1918" was enacted in the United States, which restricted freedom of speech by making any public expression that criticized the government, the war effort, or the flag during World War I -
end of world war I
an armistice was signed between the Allied powers and Germany, officially ending World War I -
end of war
German delegation signs the Treaty formally ending the war.