Archduke Franz Ferdinand, heir to Austria-Hungary's throne, and his wife, Sophie, were assassinated while visiting Sarajevo, Bosnia.
Austria-Hungary declares war on Serbia
July 28, 1914
The decleration for war was sents a telegram
Germany declares war on Russia.
august 1 1914
U.S remains Neutral
August 19, 1914
U.S. President Woodrow Wilson announces the U.S. will remain neutral.
First Battle of the Marne begins.
september 5, 1914
One of the first WW1 battles. It resulted in an allied victory against Germany.
First Battle of the Marne ends.
november 10, 1914
Ended in French Victory, which results in stalemate
feb 2, 1915
German submarine blockade of Great Britain begins. Contributed to their defeat in 1918 and enforced the signing of the Treaty of Versailles
The Battle of Verdun begins
Feb 21, 1916
The Battle of Verdun was the longest battle of World War I and
The Battle of Jutland
may 31, 1916
The major naval battle of the war, begins.
Battle Of Somme
july 1, 1916
The Battle of the Somme begins. During the Battle of the Somme, tanks are first introduced into battle.
Germany sends the secret Zimmerman Telegram to Mexico
January 19, 1917
An effort to entice Mexico to join the war. The British intercept and decipher the coded message.
The United States declares war on Germany
april 6, 1917
The Bolsheviks successfully overthrow the Russian government
november 7, 1917
january 8, 1918
U.S. President Woodrow Wilson issues his Fourteen Points to peace.
Russia signs the Treaty of Brest Litovsk
march 3, 1918
A peace treaty between Russia and the Central Powers.
Germany signs the armistice at Compiegne, France
november 11, 1918
Fighting ends on the 11th hour of the 11th day of the 11th month (i.e. 11 a.m. on November 11).
Treaty of Versailles signed
28 Jun 1919
By Allied Powers (Britan,France,Italy,Japan,America)By Other Countries including Belgium,Bolivia,Brazil,China, Ecuador,Panama,Peru and many moreBy countries part of the British Empire such as Australia and New Zealand