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Assassination of Archduke Franz Ferdinand
The Serbian nationalist group known as the "Black Hand" assassinates Archduke Franz Ferdinand and hif wife Sophie in Sarajevo. -
Austria-Hungary declares war on Serbia
Austria-Hungary declares war on Serbia, with the backing of German allies, for the assassination of their Archduke. -
Germany declares war on Russia
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Germany declares war on France
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United Kingdom declares war on Germany
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Austria-Hungary declares war on Russia while Serbia declares war on Germany
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President Woodrow Wilson announces that the U.S. wil remain neutral during the war
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The first Battle of the Marne is initiated
Trench warfare is spawned as both sides dig trenches for their troops. -
The United Kingdom blockades the North Sea
The U.K. blocks German supplies from getting in and out of the North Sea. -
Germany declares the waters around the U.K. a war zone
Germany announces that the waters around the United Kingdom will be a war zone, thus putting up a submarine blockade where everything was not allied with them was to be shot. -
The Dardanelles Campaigns start
These campaigns were almost purely to disrupt the Ottoman Empire's shipping routes. -
The Second Battle of Ypres begins
The new German posion gas is first used here, to great effect and losses to the opposing forces. -
The Battle of Gallipoli begins
This is considered one of the greatest Ottoman victories throughout the war. -
The Lusitania is sunk
The Lusitania is sunk by a German U-boat, killing 128 Americans and quickening their descent into the war. -
The Battle of Verdun begins
The longest and bloodiest battle of the entire war begins, causing great losses to German troops. -
The Battle of Jutland begins
The greatest naval battle of the war begins, both sides claimed victory, even though the British lost more ships and twice as many casualties. -
The Battle of the Somme begins
The Battle of the Somme begins, and the prototype tank is introduced, used for getting over enemy trenches and barbed wire. -
Germans attempt to get Mexico to ally with them
The "Zimmermann Telegram" is sent from Germany to Mexico, but is interfered by the British. The telegram attempts to get Mexico to invade the U.S. -
Tsar Nicholas II abdicates
Russian riots and rebellions had gotten too out of hand, so Tsar Nicholas II ends his reign, -
The United States declares war on Germany
Due to the material in the "Zimmermann Telegram" the U.S. decides to declare war on Germany, thus joining the war. -
The Bolsheviks overthrow the Russian governement
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The Russian armistice takes place
The new Russian government makes an agreement with the Central powers to be out of the war. -
President Woodrow Wilson issues his "Fourteen Points"
He calls for postwar peace throughout Europe, due to him believing that this is a moral fight. -
Russia signs the Treaty of Brest Litovsk
Russia signs a peace treaty with the Central Powers. -
Germany launches the Spring Offensive
Germany makes a series attacks along the Western Front, making some of the largest advances in the area since 1914. -
The Second Battle of the Marne begins
The German defeat here started the great increase in the Allies advances. -
Kaiser Wilhelm II flees Germany
Welhelm II was forced to abdicate and flee to Holland due to rebellion spreading to Berlin. -
Germany signs the Armistice in France
The war is ended at the eleventh hour, on the eleventh day, during the eleventh month. -
The Treaty of Versailles
The signing of this treaty marks the official end of the First World War.
