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The United States declared war on the German Empire on April 6, 1917, nearly three years after World War I started. A ceasefire and armistice were declared on November 11, 1918.
Events January 2 Eastern: The Russian offensive in the Carpathians begins. It will continue until April 12. January 4–11 Middle Eastern, Persian: Ottomans occupy Urmia and Tabriz by surprise. January 18 Politics: Japan attempts to impose its Twenty-One Demands on neutral China. January 18–19 African, East African: Battle of Jassin.
World War One Timeline on the beginning, major events, and end of what has been known as the Great War. World War 1 inflicted hitherto unseen violence on Europe and entangled the entire planet in the conflict—the first time a war was so far-reaching.
World War One Timeline: DateWorld War One Timeline: SummaryWorld War One Timeline: Detailed ...28 June 1914Assassination of Franz FerdinandThe Balkan states of Bosnia and ...28 July 1914Austria declared war on SerbiaThe Austrian government blamed the ...1 Aug 1914Germany declared war on RussiaGermany declared war on Russia.3 Aug 1914Germany declared war on FranceGermany declared war on France. German ...- 1914. June 28 Assassination of Archduke of Austria-Hungary Franz Ferdinand. July 28 Austria-Hungary declares war on Serbia. August 1–4 Germany, Austria-Hungary, France, Russia, and Britain all commit to war.
- 1915. January 25 First official transcontinental telephone call. February 8 D. W. Griffith's film, later titled Birth of a Nation, premieres and sweeps the nation.
- 1916. February 21 Battle of Verdun opens with German artillery assault deploying more than 1,600 artillery pieces and firing 100,000 shells per hour. March 15 U.S. troops under the command of General John J. Pershing cross the border into Mexico in pursuit of Pancho Villa.
- 1917. February 1 Germany resumes unrestricted submarine warfare; submarines threaten all shipping to Britain, endangering U.S. trade and travelers. February 20 Food riots begin in New York City and spread to other cities, as several hundred female protesters grow angry over sharp jumps in food prices due to the war.
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- World War I Begins. On June 28, 1914, Archduke Franz Ferdinand, heir to the throne of the Austro-Hungarian Empire, and his wife, Sophie, were assassinated by a Bosnian Serb nationalist in Sarajevo, the capital of the Austro-Hungarian province of Bosnia and Herzegovina.
- The Lusitania Sinks. On May 7, 1915, a German submarine sank the British ocean liner Lusitania, resulting in the deaths of nearly 1,200 people, including 128 Americans.
- Germany’s U-Boat Submarine Warfare Resumes. In March 1916, a German U-boat torpedoed a French passenger ship, the Sussex, killing dozens of people, including several Americans.
- The Zimmerman Telegram. Meanwhile, in January 1917, the British intercepted and deciphered an encrypted message from German Foreign Minister Arthur Zimmermann to the German minister to Mexico, Heinrich von Eckhart.
World War I pitted Germany, Austria-Hungary and the Ottoman Empire against Great Britain, the United States, France, Russia, Italy and Japan. New military technology resulted in unprecedented...
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This interactive visual timeline created under the auspices of the American Battle Monuments Commission includes events from 1914-1918 as well as context to better understand the pre-war buildup and post-war consequences of the Great War.
