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Assassination of Archduke Franz Ferdinand of Austria
On 28 June 1914, Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and his wife, Sophie, Duchess of Hohenberg, were shot dead in Sarajevo by Gavrilo Princip. -
U.S.A declares neutrality
U.S. President Woodrow Wilson announces the U.S. will remain neutral. -
Germany declares a "war zone" around Great Britan
Germany declares a "war zone" around Great Britain, essentially effecting a submarine blockade where even neutral merchant vessels were to be potential targets. -
A British ocean liner is sank
The British ocean liner RMS Lusitania is sunk by German U-boat, U-20 -
The Battle of Verdun begins
The Battle of Verdun begins. The Battle of Verdun was the longest battle of World War I and was one of the bloodiest. -
The Battle of the Somme begins
During the Battle of the Somme, tanks are first introduced into battle. -
Zimmerman Telegram
Germany sends the secret Zimmerman Telegram to Mexico in an effort to entice Mexico to join the war. The British intercept and decipher the coded message. -
U.S Declares war on Germany
The U.S declares war on Germany -
Fourteen Points to peace.
President Woodrow Wilson issues his Fourteen Points to peace. -
Treaty of Versailles
The Treaty of Versailles (French: Traité de Versailles) was one of the peace treaties at the end of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1919, exactly five years after the assassination of Archduke Franz Ferdinand
