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Archduke Franz Ferdinand of Austria is killed
Archduke Franz Ferdinand of Austria, the heir to the hungarian-austrian throne is assassinated with his wife in Bosnia. His assassination led to the first world war. -
Great Britain Declares War on Germany
Britain, an ally of the US declares war on Germany because of their invasion of the neutral Belgium. -
Lusitania sinks
German submarine sinks passenger ship traveling to England. 128 americans die. -
Zimmermann Telegram
British Intelligence intercepts a telegram sent by Germany to Mexico stating if Mexico aids Germany by joining the war, Germany will help regain the land Mexico ceded to the US. -
American Election
Woodrow Wilson narrowly defeats Charles Evan Hughes to become the president of the United States. -
US at War
The United States finally declares war on Germany, entering World War 1. This is a response by Woodrow Wilson to the sinking of American ships. -
Americans in France
The first American troops touch down in France. 14,000 infantry troops land at the port of Saint-Nazaire. -
The Sedition Act
Made it a crime to publish any false or malicious writing about the government. The Wilson administration said this was necessary for the war effort and was directed at socialists, pacifists, and other anti-war activists. -
Armistice at Compiègne
Germany signs a ceasefire at Le Francport near Compiègne, this ends fighting on water, land and air between Germany and the allies. This includes the US -
Treaty of Versailles
Allied and German representatives sign treaty of Versailles. This ends the first world war. The United States also signs treaty of guaranty, pledging to defend France in case of an unprovoked attack by Germany.