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Theodore Roosevelt
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William Howard Taft
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Woodrow Wilson
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World War I
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Austria-Hungary declares war on Serbia
Austria-Hungary declares war on Serbia, beginning World War I. -
Period: to
Germany invades Luxembourg and Belgium
Germany invades Luxembourg and Belgium. France invades Alsace. British forces arrive in France. Nations allied against Germany were eventually to include Great Britain, Russia, Italy, Australia, New Zealand, South Africa, Rhodesia, Romania, Greece, France, Belgium, United States, Canada, Serbia, India, Portugal, Montenegro, and Poland. -
Austria-Hungary invades Russia
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Battle of the Marne
Allied forces halt German advance into France during First Battle of the Marne. -
Blockade of Great Britain
Germany begins naval blockade of Great Britain. -
Gallipoli Peninsula
Allied forces land on the Gallipoli Peninsula of the Ottoman Empire -
Lusitania
German submarine sinks the passenger liner Lusitania during crossing from New York to Liverpool, England, killing 128 Americans. -
Italy declares war on Austria-Hungary.
Italy declares war on Austria-Hungary. -
Verdun
Germany begins the attack on Verdun. -
Battle of the Somme
Allied offensive begins the Battle of the Somme. -
Battle of Verdun ends
Battle of Verdun ends with 550,000 French and 450,000 German casualties. -
United States severs diplomatic relations with Germany.
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The United States declares war on Germany.
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Russia signs armistice with Germany.
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Battle of Cantigny
United States forces are victorious in the Battle of Cantigny, the first independent American operation. -
Armistice at Compiègne
Germany signs the Armistice at Compiègne, ending World War I. -
Treaty of Versailles
Allied and German representatives sign treaty of Versailles. The United States signs treaty of guaranty, pledging to defend France in case of an unprovoked attack by Germany. -
Roaring 20s
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Ku Klux Klan
Retu,rn of the Ku Klux Klan