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A timeline of WWI, the first global conflict


Everett Collection // Shutterstock

A timeline of WWI, the first global conflict



Library of Congress

June 28, 1914: Archduke Franz Ferdinand assassinated



Bettmann // Getty Images

July 23, 1914: Austria-Hungary demands retribution from Serbia; Serbia bucks demands



Everett Collection // Shutterstock

July 28, 1914: WWI begins with Austria-Hungary declaring war on Serbia



Gummerus // Wikimedia Commons

Aug. 1, 1914: Germany declares war on Russia



Lwc 21 // Wikimedia Commons

Aug. 3, 1914: Schlieffen Plan; Germany declares war on France



Unknown // Wikimedia Commons

Aug. 4, 1914: Germany invades Belgium; Britain declares war on Germany



Photo12/Universal Images Group // Getty Images

Aug. 7, 1914: France invades Alsace



Bettmann // Getty Images

Aug. 10, 1914: Austria-Hungary invades Russia



Unknown // Wikimedia Commons

Aug. 23-29, 1914: Battle of Tannenberg



Unknown // Wikimedia Commons

Sept. 5, 1914: Treaty of London



German Army // Wikimedia Commons

Sept. 5-12, 1914: First Battle of the Marne



Everett Collection // Shutterstock

Oct. 19-Nov. 30, 1914: First Battle of Ypres



Surgeon Oscar Parkes // Wikimedia Commons

Nov. 2, 1914: British begin a naval blockade of Germany



Unknown // Wikimedia Commons

Nov. 5, 1914: Britain, France declare war on Ottoman Empire



National Museum of the U.S. Navy // Wikimedia Commons

Nov. 11, 1914: Ottoman Empire declares war on the Allies



Unknown // Wikimedia Commons

Dec. 24, 1914: The unofficial Christmas truce



W.wolny // Wikimedia Commons

Feb. 18, 1915: Germany begins a naval blockade of Great Britain



RJHall // Wikimedia Commons

April 22, 1915: Second Battle of Ypres



Gsl~commonswiki // Wikimedia Commons

April 25, 1915: Allies attack Ottoman Empire at Battle of Gallipoli



George Grantham Bain // Wikimedia Commons

May 7, 1915: German U-boat torpedoes Lusitania



Ugo Ojetti // Wikimedia Commons

May 23, 1915: Italy declares war on Austria-Hungary



Agence Rol // Wikimedia Commons

Feb. 21, 1916: Germany attacks Verdun



Curzon, Commander RNVR // Wikimedia Commons

May 31, 1916: Naval Battle of Jutland



Rcbutcher // Wikimedia Commons

July 1, 1916: First Battle of the Somme



Hulton Deutsch // Getty Images

Dec. 18, 1916: Battle of Verdun ends



National Museum of the U.S. Navy // Wikimedia Commons

Feb. 1, 1917: Germany restarts unrestricted submarine warfare following Lusitania attack



Kesäperuna // Wikimedia Commons

Feb. 3, 1917: US severs diplomatic relations with Germany



Bettmann // Getty Images

April 6, 1917: US declares war on Germany



United States Army Signal Corps // Wikimedia Commons

June 7, 1917: Gen. John J. Pershing reaches England



Moore, William E. // Wikimedia Commons

June 24, 1917: American combat forces arrive in France



John Warwick Brooke // Wikimedia Commons

Nov. 20, 1917: British offensive brings first large-scale, wartime use of tanks



Bettmann // Getty Images

Dec. 15, 1917: Russia, Germany sign armistice



Unknown // Wikimedia Commons

Jan. 8, 1918: President Woodrow Wilson presents Fourteen Points to Congress



Cyrus LeRoy Baldridge // Wikimedia Commons

Feb. 8, 1918: The Stars and Stripes begins publication



The Library of Congress // Wikimedia Commons

March 1918: Bilingual American women recruited as Hello Girls



United States War Department // Wikimedia Commons

March 3, 1918: Russia, Germany sign Treaty of Brest-Litovsk



John Warwick Brooke // Wikimedia Commons

March 21, 1918: Germany begins final war offensive



adoc-photos/Corbis // Getty Images

May 28, 1918: US wins Battle of Cantigny



US War Dept. // Wikimedia Commons

July 15-Aug. 6, 1918: Americans thwart Germans crossing the Marne



U.S. National Archives and Records Administration // Wikimedia Commons

Sept. 12, 1918: American First Army attacks Saint-Mihiel salient



U.S. Marines // Wikimedia Commons

Sept. 26, 1918: Allied forces begin final war offensive



German Federal Archives // Wikimedia Commons

Nov. 11, 1918: Germany signs Armistice at Compiègne



J C E Harding // Wikimedia Commons

Dec. 1, 1918: British, American forces arrive in Germany



Unknown // Wikimedia Commons

Jan. 18, 1919: Peace conference begins in Paris



N.V. Vereenigde Fotobureaux // Wikimedia Commons

Feb. 14, 1919: Draft of the covenant of the League of Nations



Helen Johns Kirtland // Wikimedia Commons

June 28, 1919: Treaty of Versailles signed by Allied, German forces; US signs treaty of guaranty



Harris & Ewing // Wikimedia Commons

Nov. 19, 1919: US Senate does not ratify Treaty of Versailles



Edward N. Jackson // Wikimedia Commons

Jan. 10, 1920: Treaty of Versailles takes effect



Library of Congress // Wikimedia Commons

March 19, 1920: US Senate neglects to ratify Treaty of Versailles for a second time



Associated Press // Wikimedia Commons

Aug. 24-29, 1921: US signs separate peace treaties with Germany, Austria, and Hungary


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