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Franz Ferdinand
June 28 - Archduke Franz Ferdinand, heir to Austria-Hungary's throne, and his wife, Sophie, are assassinated by Serbian nationalist Gavrilo Princip while the couple were visiting Sarajevo. -
War!!
July 28 - Austria-Hungary declares war on Serbia. -
Period: to
War Straegizing
August 1 - Germany declares war on Russia. August 3 - Germany declares war on France. August 4 - The United Kingdom declares war on Germany, after Germany invades Belgium. August 6 - Austria-Hungary declares war on Russia and Serbia declares war on Germany. August 26 - The Battle of Tannenberg begins. August 19 - U.S. President Woodrow Wilson announces the U.S. will remain neutral. -
Battle of the Marne
September 5 - The First Battle of the Marne begins. Trench warfare begins as soldiers on both sides dig in. -
Germany delares a war zone around Great Britan
February 4 - Germany declares a "war zone" around Great Britain, essentially effecting a submarine blockade where even neutral merchant vessels were to be potential targets. -
Battle of Verdun
February 21 - The Battle of Verdun begins. The Battle of Verdun was the longest battle of World War I and was one of the bloodiest. -
Period: to
Russia Overthrows the government
July 31 - The Battle of Passchendaele (also known as the Third Battle of Ypres) begins. November 7 - The Bolsheviks successfully overthrow the Russian government. -
Strategy Devolopment
January 19 - 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. -
'Murica Declares war on germany
The United States declares war on Germany. -
Russian Government Overthrown by Bolsheviks
November 7 - The Bolsheviks successfully overthrow the Russian government. -
Alliance
March 3 - Russia signs the Treaty of Brest Litovsk, which is a peace treaty between Russia and the Central Powers. -
Second battle of the marne begins
July 15 - The Second Battle of the Marne begins. -
Fighting ends
November 11 - Germany signs the armistice at Compiegne, France. Fighting ends on the 11th hour of the 11th day of the 11th month (i.e. 11 a.m. on November 11). -
End of WWI
June 28 - The Treaty of Versailles officially ends WWI.