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WW1 Timeline
The Germans begin to use submarines against Allied merchant ships around the island of Britain. -
WW1 Timeline
Archduke Franz Ferdinand, prince to the Austria-Hungary throne, is assassinated in Sarajevo by a Serbian named Gavrilo Princip. -
WW1 Timeline
Austria-Hungary makes demands on Serbia for retribution. Serbia does not meet demands. -
WW1 Timeline
Austria-Hungary declares war on Serbia. Russia begins mobilizing its troops. -
WW1 Timeline
Germany declares war on Russia. -
WW1 Timeline
Germany declares war on France as part of the Schlieffen Plan. -
WW1 Timeline
Germany invades Belgium. Britain declares war on Germany. -
WW1 Timeline (23-30)
The Battle of Tannenberg is fought between Germany and Russia. The Germans defeat the Russian Second Army. -
WW1 Timeline (5-12)
The advancing German army is stopped before Paris by the British and French at the First Battle of the Marne. The Germans dig in and four years of trench warfare begins. -
WW1 Timeline (oct. 19- nov. 22)
The Allies defeat the Germans at the First Battle of Ypres. -
WW1 Timeline
The British begin a naval blockade of Germany. -
WW1 Timeline
The Ottoman Empire declares war on the Allies. -
WW1 Timeline
The Allies attack the Ottoman Empire at the Battle of Gallipoli. This campaign will last over eight months and will end as a victory for the Ottomans and the retreat of the Allies. -
WW1 Timeline
The Lusitania, a luxury British passenger ship, is sunk by a German submarine. 1,195 civilians were killed. This act sparks international outrage and contributes to the United States joining the war against Germany. -
WW1 Timeline
Bulgaria enters the war by declaring war on Serbia. -
WW1 Timeline
An unofficial truce is declared between the two sides at Christmas. -
WW1 Timeline
The Battle of Verdun begins between France and Germany. This battle will last until December of 1916 and will finally result in a French victory. -
WW1 Timeline
The largest naval battle of the war, the Battle of Jutland, is fought between Britain and Germany in the North Sea. -
WW1 Timeline
The Battle of the Somme begins. Over 1 million soldiers will be wounded or killed. -
WW1 Timeline
The British intercept the Zimmerman Telegram in which Germany tries to convince Mexico to join the war. This will result in the United States declaring war on Germany. -
WW1 Timeline
The Russian Revolution begins. Tsar Nicholas II is removed from power on March 15. -
WW1 Timeline
The United States enters the war, declaring war on Germany. -
WW1 Timeline
The Bolsheviks, led by Vladimir Lenin, overthrow the Russian government. -
WW1 Timeline
The Russians agree to peace with the Central powers and leave the war. -
WW1 Timeline
President Woodrow Wilson issues his "Fourteen Points" for peace and an end to the war. -
WW1 Timeline
Germany launches the Spring Offensive hoping to defeat the Allies before reinforcements from the United States can be deployed. -
WW1 Timeline
The Second Battle of the Marne begins. This battle will end on August 6 as a decisive victory for the Allies. -
WW1 Timeline
Germany agrees to an armistice and the fighting comes to an end at 11am on the 11th day of the 11th month. -
WW1 Timeline
The Treaty of Versailles is signed by Germany and World War I comes to an end.