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francis ferdinand is assissinated
Archduke Francis Ferdinand heir to the Austria-Hungary throne and his wife are assassinated by a Serbian Nationalist in Sarejevo -
Emperor Franz Joseph of Austria-Hungary declares war on Serbia
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russia begins to mobilize forces and Austria-hungary invades serbia
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germany declares war on russia, start of world war 1
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germany declares war on france
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Germany declares war on neutral Belgium, britian declares war on germany and the U.S. states neutrality
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The Battle of the Frontiers begins
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First Battle of the Marne begins
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First Battle of the Masurian Lakes begins
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First Battle of the Marne ends in a French Victory
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Russia loses the First Battle of Masurian Lakes
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Turkey enters the war on the side of the Central Powers
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Battle of the Falkland Islands between British and German Naval units.
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An unofficial Christmas truce is declared by soldiers along the Western Front
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Germany declares a submarine blockade of Great Britain
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American citizen die as the British liner Falaba, becomes the first passenger ship to be sunk by U-boats.
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Britain announces a blockade of all German ports
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The British liner Lusitania is sunk by a U-Boat with the loss of 1,198 civilians, including 128 American lives, creating a diplomatic crisis
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Italy declares war on Austria-Hungary
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The Washington Post carries story that General Staff are planning to send a force of 1 million soldiers overseas
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The Germans end their offensive against the Russians
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Germany renounces submarine policy
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Battle of Jutland begins between British and German naval forces
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Having been the biggest naval battle in history, the battle of Jutland ends without a clear victor
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Romania enters the war on the Allies side
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Tanks introduced for the first time on the Somme battlefield by the British
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German leaders decide to launch unrestricted U-boat warfare
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"Peace without Victory." speech is made by President Wilson
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Zimmermann Telegram is released to press by US State Department. The Armed Ship Bill is passed by Congress.
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United States comes out of neutrality and declares war on Germany
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The first U.S. troops begin arriving in France. These are men of the U.S. 1st Division
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7 Greece enters the war on the side of the Allies
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The United States declares war on Austro-Hungary
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U.S. forces (28th Regiment of 1st Division) are victorious in their first major action, Battle of Cantigny
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Armistice day as fighting ceases at 11am - World War I ends