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Archduke Franz Ferdinand was assinated by Gabrielle Princip.
It was the spark that started WWI. -
The U.S. remains neutral
U.S. president Woodrow Wilson announces. -
The first Battle of the Marne begins.
Trench warfare begins as soliders on both sides dig in. (Military Event) -
Trenches built
They were built in the western front. -
The United Kingdom announces that the North Sea is a military area
Creating a blockade of goods into Germany. -
Sea was blocked
Germany blocked it. -
Germany declares a "war zone" around Great Britian
effecting a submarine blockade where even neutral merchant vessels were to be potential targets -
The Second Battle of Ypres begins.
It is during this battle that the Germans first use poison gas. -
Lusitania Sinks
A German Submarine sinks the passenger liner Lusitania. -
British use gas in battle near Loos
Shifting winds cause 60,000 British casualties. -
The Battle of Verdun begins
The Battle of Verdun was the longest battle of World War I and was one of the bloodiest. -
Woodrow Wilson re-elected President of the United States
With campaign slogan: "He kept us out of the war" -
Germany sends the secret Zimmerman Telegram to Mexico
In effort to entice Mexicao to join the war. -
Reich Foreign Secretary Zimmermann's telegram to Mexico
Urging her entry into war against the United States is discovered and translated by the British. -
U.S. Enters War
Congress authorizes a declaration of war against Germany. The United States enters World War I on the side of France and Britain. -
The armistice goes into effect
agreed upon between the new Russian government and the central powers goes into effect. -
U.S. Preident Woodrow WIlson issues his Fourteen Points
A Statement was given that declared that WWI was being fought for peace. -
Russia signs the Treaty of Brest Litovsk
A peace treaty between Russia and the Central Powers -
Germany signs the armistice in France
FIghting ends on the 11th hour of the 11th day of the 11th month. -
The treaty of Versailles
Ends WWI.