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Assassination of Archduke Franz Ferdinand
Bosnian Serb Gavrilo Princip killed Archduke Franz Ferdinand, and his wife during a visit to Sarajevo on June 28, 1914. Ferdinand was targeted due to the fighting of Austria-Hungary and Bosnia during WWI. -
Wilson Urges Neutrality
President Wilson wanted to remain neutral in the war. Wilson, an internationalist, wanted to work for world peace but his ideas failed and eventually the U.S. had to enter the war. -
Sinking of the Lusitania
The Lusitania an American ocean liner that transported American civilians and war weapons and was sunk by a German U-boat on May 5, 1915. -
Troops Enter Europe (June)
American troops entered Europe in July but did not start fighting until October. -
Zimmermann Note
The telegram sent by Germany said that if Germany went to war with the United States, they promised to help Mexico recover the territory it had lost to the U.S. during the 1840s. This included Texas, New Mexico, California, and Arizona. Britain intercepted the telegram and informed the United States about it. -
America Declares War
Wilson called for war on April 2nd and congress officially declared war on April 6th. -
Creation of CPI
The Committee on Public Information was created on April 13, 1917 to influence the public opinion to support U.S. participation during WWI. -
Selective Service Act
The Selective Service Act authorized the United States federal government to raise a national army for service. -
Espionage Act
The Espionage Act prohibited obtaining information, recording pictures, or copying descriptions of any information relating to the national defense. This happened because the government thought that people would use information they got against the U.S. during the war. -
Wilson's 14 Points
This was a statement of peace that Wilson used to end WWI. The points were given during Wilson's speech that aimed to end the war. -
Second Battle of Marne
The Second Battle of the Marne lasted from July 15 to August 6, 1918. This was an attempt to draw Allied troops South to facilitate an attack in that region. -
German Surrender in Compiegne, France
Also known as the Armistice of Compiègne it came into force at 11:00 a.m. Paris time on 11 November 1918 and marked a victory for the Allies and a defeat for Germany, although not formally a surrender. -
Rejection of the Treaty of Versailles
In 1919 the Senate rejected the Treaty of Versailles, which formally ended World War I. It was rejected because President Woodrow Wilson had failed to take senators' objections to the agreement into consideration. -
Paris Peace Conference
The Paris Peace Conference, also known as the Versailles Peace Conference, was the meeting in 1919 of the victorious Allied Powers following the end of World War I to set the peace terms for the defeated Central Powers
