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Kaiser declares "open seasons" on ships
Germany uses u boats to sink all ships -
Assassination of Franz Ferdinand
Austria, heir presumptive to the Austro-Hungarian throne, and his wife Sophie, Duchess of Hohenberg, occurred on 28 June 1914 in Sarajevo when they were mortally wounded by Gavrilo Princip. -
Great war begins
was the assassination of Archduke Franz Ferdinand of Austria, heir to the throne of Austria-Hungary, by Yugoslav nationalist Gavrilo Princip in Sarajevo on -
Lusitania sank
during the First World War, as Germany waged submarine warfare against the United Kingdom which had implemented a naval blockade of Germany. -
Period: to
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. It took place between 1 July and 18 November 1916 on both sides of the upper reaches of the River Somme in France -
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. -
Convoy system
On this day in 1917, driven by the spectacular success of the German U-boat submarines and their attacks on Allied and neutral ships at sea, the British Royal Navy introduces a newly created convoy system -
Selective Service Act
authorized the United States federal government to raise a national army for service in World War I through conscription. -
Espionage points speech
The Espionage and Sedition Acts made it a crime to interfere with the operations of the military to promote the success of its enemies and prohibited many forms of speech perceived as disloyal to the United States of America. The Espionage Act of 1917 was enacted on June 15, 1917. The law was extended on May 16, 1918, by the Sedition Act of 1918 (a set of amendments to the Espionage Act prohibiting many forms of speech). -
Flu epedemic
The flu killed thousands of people -
Fourteen points speech
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 (Germany, Austria-Hungary, Bulgaria, and the Ottoman Empire), that ended Russia's participation in World War I. -
Sedition Act Passed
was an Act of the United States Congress that extended the Espionage Act of 1917 to cover 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. -
Germany signs armistice
was the armistice that ended fighting on land, sea and air in World War I between the Allies and their last opponent, Germany. -
US declares war on Germany
four days after the Japanese attack on Pearl Harbor and the United States declaration of war against the Japanese Empire, Nazi Germany declared war against the United States