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  1. World War I: Summary, Causes & Facts | HISTORY

    Oct 29, 2009 · World War I started in 1914, after the assassination of Archduke Franz Ferdinand, and ended in 1918. During the confl...

  2. World War I: Causes and Timeline | HISTORY

    World War I was fought from 1914 to 1918. Learn more about World War I combatants, battles and generals, and what cau...

  3. 8 Events that Led to World War I - HISTORY

    Apr 6, 2021 · Imperialism, nationalistic pride and mutual alliances all played a part in building tensions that would erupt into war.

  4. Why Did the US Enter World War I? | HISTORY

    Apr 6, 2017 · The United States entered World War I in 1917, following the sinking of the British ocean liner Lusitania and the sho...

  5. Armistice Day: World War I ends | November 11, 1918 | HISTORY

    Mar 10, 2010 · At the 11th hour on the 11th day of the 11th month of 1918, World War I ends. At 5 a.m. that morning, Germany signed ...

  6. Woodrow Wilson - Presidency, Facts & Foreign Policy - HISTORY

    Oct 29, 2009 · Woodrow Wilson (1856-1924), the 28th U.S. president, served in office from 1913 to 1921 and led America through World War I (1914-1918). Remembered as an advocate for …

  7. How German U-Boats Were Used in WWI—And Perfected in WWII

    Mar 21, 2022 · After terrorizing trans-Atlantic ships in World War I, German U-boats grew even more fearsome in World War II.

  8. Life in the Trenches of World War I - HISTORY

    Apr 23, 2018 · Trenches—long, deep ditches dug as protective defenses—are most often associated with World War I, and the results of trench warfare in that conflict were hellish indeed.

  9. Battle of the Somme: Casualties & Who Won | HISTORY

    Nov 12, 2009 · The Battle of the Somme was a deadly Allied offensive against German forces along the Western Front of World War I, n...

  10. Red Baron - HISTORY

    Nov 9, 2009 · The Red Baron was the name applied to Manfred von Richthofen, a German fighter pilot who was the deadliest flying ace of World War I. During a 19-month period between 1916 and 1918, …