World War I Timeline
Assassination on June 28, 1914
In Sarajevo, Archduke Franz Ferdinand is murdered, sparking World War I.
The War Breaks Out in August of 1914
The different nations involved declared war on each other.
The First Battle of Ypres was fought in October 1914.
From October through November, the first battle of Ypres takes place.
21st of December, 1914 Raids from the Air
The first German air attack on Britain occurred on December 21, 1914.
24th of December, 1914 Truce at Christmas
On both sides, soldiers declared an unofficial Christmas ceasefire.
04 February 1915 Britain is under blockade.
U-boats are used by Germany to target British and neutral ships.
The Second Battle of Ypres was fought on April 22, 1915.
The second Battle of Ypres, which lasted from April 22 to May 25, was the first time Germany used poison gas.
Gallipoli, April 1915
Gallipoli was fought between April and December 1915.
7th of May, 1915 The Lusitania was sunk.
German U-boats sank the British ship Lusitania.
Verdun, February 1916
From February through December of 1916, the Battle of Verdun took place.
31st of May, 1916 Jutland
From May 31 to June 1, 1916, the naval battle of Jutland took place.
Somme, July 1916
The Somme campaign lasted from July to November 1916.
1st of February, 1917 Submarine Warfare
Germany began unrestricted submarine warfare on February 1, 1917.
16th of January, 1917 Telegram from Zimmerman
The United States intercepted a telegraph from German Foreign Secretary Arthur Zimmerman to Mexico. The Germans desired that Mexico declare war on the United States.
15th of March, 1917 Abdication
Nicholas II, Tsar of Russia, abdicates the throne.
6th of April, 1917 War has been declared.
The United States of America declares war on Germany.
9th of April, 1917 The Battle of Vimy Ridge
From April 9 to April 12, 1917, the battle of Vimy Ridge took place.
The United States troops arrive in Europe on June 25, 1917.
On June 25, 1917, American soldiers started landing in France.
16th of July, 1917 Ypres
On July 16, 1917, the third battle of Ypres (Passchendaele) started.
November 7, 1917 Bolshevik Revolution
In Russia, the Bolshevik Revolution culminated in the establishment of a Communist government.
The United States declares war on Austria-Hungary on December 7, 1917.
On December 7, 1917, the United States declared war on Austria-Hungary.
Russian Peace Negotiations on March 3, 1918
Separate peace talks between Soviet Russia and its adversaries were completed.
U-Boats in American waters in May 1918
In May of 1918, U-boats made their maiden appearance in American waters.
Abdication on November 9, 1918
On November 9, 1918, Kaiser Wilhelm II abdicated the crown.
November 11, 1918, Armistice
On November 11, 1918, at 11 a.m., the armistice was signed, and combat ceased.
28th of June, 1919 - Treaty of Versailles.
On June 28, 1919, the Treaty of Versailles was signed.