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(EU) Archduke Franz Ferdinand Shot in Sarajevo
On this day, the Archduke of Austria-Hungary was shot by Gavrillo Princip. This event is often considered the spark for World War 1, which would grow because of entangling alliances. -
Austria-Hungary declares war on Serbia
One month to the day after Archduke Franz Ferdinand of Austria and his wife were killed by a Serbian nationalist in Sarajevo, Austria-Hungary declares war on Serbia, effectively beginning the First World War. -
Germany declares war on France
Germany declares war on Russia. France and Belgium begin full mobilization. August 3, 1914 - Germany declares war on France, and invades neutral Belgium. Britain then sends an ultimatum, rejected by the Germans, to withdraw from Belgium. -
Sinking of the Lusitania
Germany waged submarine warfare against the United Kingdom
The Lusitania was a British ocean liner and a German U-Boat sank it -
Italy declared war on Austria-Hungary
The Italian army immediately advanced into the South Tyrol region and to the Isonzo River, where Austro-Hungarian troops met them with a stiff defense. -
Election of Woodrow Wilson
The 1916 United States presidential election was the 33rd quadrennial presidential election, held on Tuesday, November 7, 1916. Incumbent Democratic President Woodrow Wilson defeated Supreme Court Justice Charles Evans Hughes, the Republican candidate. -
Zimmerman Note
Between 1914 and the spring of 1917, European nations engaged in World War 1. -
America enters the war
President Woodrow Wilson asked a special joint session of the United States Congress for a declaration of war against the German Empire. Congress responded with the declaration on April 6. -
Congress passes the Espionage Act
The U.S. Congress passed the Espionage Act in 1917 to prohibit US citizens from disclosing any information related to the war -
Spanish Influenza
The 1918 influenza pandemic was an unusually deadly influenza pandemic, the first of the two pandemics involving H1N1 influenza virus. It infected 500 million people around the world, including people on remote Pacific islands and in the Arctic. -
Woodrow Wilsons 14 points
The Fourteen Points was a statement of principles for peace that was to be used for peace negotiations in order to end World War I. The speech on war aims and peace terms to the United States Congress. -
The Treaty of Brest-Litovsk
A peace treaty signed between the new Bolshevik government of Soviet Russia and the Central Powers (Germany, Austria-Hungary, Bulgaria, that ended Russia's participation in World War I. -
Armistice
The Armistice of 11 November 1918 was the armistice signed at Le Francport near Compiègne that ended fighting on land, sea and air in World War I between the Allies and their opponent, Germany. -
Britain declares war on Germany
Britain and France declare war on Germany. In response to Hitler's invasion of Poland, Britain and France, both allies of the overrun nation declare war on Germany -
The United States Declares War
The United States Congress declared war upon Germany, hours after Germany declared war on the United States. The vote was 88–0 in the Senate and 393–0 in the House.
