-
Kaiser declares “open season” on ships
Germany uses u boats to sink all ships FEB 4, 1914 -
Assassination of Franz Ferdinand
The assassination of Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and his wife Sophie, Duchess of Hohenberg, occurred on 28 June 1914 -
Great War begins
the trigger for the war was the assassination of Archduke Franz Ferdinand of Austria, heir to the throne of Austria-Hungary, by Yugoslav nationalist Gavrilo Princip in Sarajevo on 28 June 1914 -
Lusitania sank
On the afternoon of May 7, 1915, the British ocean liner Lusitania is torpedoed without warning by a German submarine off the south coast of Ireland. -
Battle of the Somme
The Battle of the Somme, also known as the Somme Offensive, was a battle of the First World War fought by the armies of the British and French empires against the German Empire. Jul 1, 1916 – Nov 18, 1916 -
Wilson re-elected
The United States presidential election of 1916 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 intercepted
In the telegram, intercepted and deciphered by British intelligence in January 1917,Zimmermann instructed the ambassador, Count Johann von Bernstorff, to offer significant financial aid to Mexico if it agreed to enter any future U.S-German conflict as a German ally. -
US declares war on Germany
On April 2, 1917, President Woodrow Wilson asked a special joint session of the United States Congress for declaration of war against the German Empire. -
Convoy system
The convoy system, a group of ships sailing together for protection, was designed to help protect cargo in passenger ships during the First and Second World War. The system was created out of desperation. -
Selective Service Act
The Selective Service Act (May 18, 1917) gave the United States federal government right to raise a national army for service in World War I through conscription -
Espionage Age passed
The Espionage Act of 1917 is a United States federal law passed on June 15, 1917, shortly after the U.S. entry into World War I. -
Flu Epidemic
The 1918 flu pandemic was an unusually deadly influenza pandemic, the first of the two pandemics involving H1N1 influenza virus -
Fourteen Points speech
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. -
Russia pulls out of the war
The Treaty of Brest-Litovsk was a peace treaty signed on 3 March 1918 between the new Bolshevik government of Soviet Russia and the Central Powers, that ended Russia's participation in World Wa -
Sedition Act passed
The Sedition Act of 1918 (May 16, 1918) was an Act of the United States Congress that extended the Espionage Act of 1917 -
Germany signs armistice
The Armistice of 11 November 1918 was the armistice that ended fighting on land, sea and air in World War I between the Allies and their last opponent, Germany.
