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Archduke Franz Ferdinand has a bomb is thrown at his automobile but it misses. He then continue trip only to be shot and killed a short time later by a lone assassin. American stays neutral. -
Great Britain declares war on Germany. The declaration is within the British Empire including Canada, Australia, New Zealand, India and South Africa. American stays Neutral. -
A council was held at Potsdam, where leaders from Austria-Hungary and Germany met to discuss the possibilities of war with Serbia, Russia, and France. They decided it had become necessary to eliminate Serbia to spite the expected resistance from Serbia's allies. America stays neutral. -
American voters re-elect President Woodrow Wilson who had campaigned on the slogan, "He kept us out of war." -
A telegram sent by Alfred Zimmermann in the German Foreign Office to the German embassies in Washington D.C. and in Mexico City. Its message tells the plans for an alliance between Germany and Mexico against the U.S. It states Germany would provide tactical support while Mexico would expand into the American Southwest. The Zimmermann telegram was passed along by the British to the Americans and is then made public, causing an outcry from U.S. interventionists. -
The United States of America declares war on Germany. The US gets involved in the war. -
The first American troops land in France. This causes women to start working and for men to get drafted. -
Enacted on May 16, 1918 to extend the Espionage Act of 1917. The Sedition Act covered 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. This had a major impact on writers and protesters in America. -
Germans sign the Armistice which Ends The War. This brings back American soldiers from War. -
At the Palace of Versailles in France, a German delegation signs the Treaty formally ending the war.