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Sinking of the Lusitania
A British passenger ship, sunk by a German U-Boat. -
Assassination of Franz Ferdinand
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Austrian-Hungarian Empire Declares war on Serbia
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Germany Invades Belgium
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World War 1 begins
Germany invades Belgium, beginning World War I. -
Battle of Tannenberg
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First Battle of the Marne
The Allies stopped the German invasion of Paris. -
Battle of Verdun
The French held their line against a German offensive until December of the same year, during the longest battle of the war. -
US Declares War
The United States enters into the first World War, declaring war on the Central Powers. -
Battle of Jutland
An indecisive naval battle between German and British fleets. -
Submarines Back
Germany resumes unrestricted submarine warfare in European waterways. This act, more than any other, draws the United States into the war and causes the eventual defeat of Germany. -
Wilson For War
President Wilson outlines his case for war to Congress. -
USSR withdraws from the War
Russian revolutionaries setup a Communist goverment, attempting to make peace with the Central Powers. -
German Spring Offensive of 1918
A series of German Attacks along the Western Front. -
RAF formed
The british Royal Air Force is formed. -
Second Battle of the Marne
The turning point of the war, in which the Allies defeated the Central Powers and advanced continuously until the end of the war. -
Battle of St. Mihiel
General Pershing leads the American Army to Victory. -
Battle of St. Mihiel
General Pershing leads the American Army to Victory. -
Austrian-Hungarian Empire Surrenders
The Austrian-Hungarian Empire surrenders. -
World War 1 Ends
The Central Powers, tired of fighting, sign the armistice that ends World War 1