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Archduke Franz Ferdinand Assassination
On this date Archduke Franz Ferdinand was assassinated by Gavrilo Princip, this was one of the most important events leading to World War One. -
World War One Begins
Austria-Hungary declares war on Serbia, beginning World War I. -
Sinking of the RMS Lusitania
The sinking of the Cunard ocean liner RMS Lusitania occurred on Friday, 7 May 1915 during the First World War, as Germany waged submarine warfare against the United Kingdom. 1,197 deaths -
Battle of Somme
This battle was fought by the armies of the British Empire and French Third Republic 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. -
America declares War
President Woodrow Wilson went before a joint session of Congress to request a declaration of war against Germany. -
Russia Surrenders
The Treaty of Brest-Litovsk was a peace treaty signed on March 3, 1918, between the new Bolshevik government of Soviet Russia and the Central Powers. This treaty ended Russia’s participation in World War One. -
Treaty of Versailles
The Treaty of Versailles was the most important of the peace treaties that brought World War I to an end.