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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. World War I Timeline: Battles & Major Events | HISTORY

    Apr 8, 2021 · This World War I timeline of battles outlines the most important engagements of the 1914-1918 war, from the first Bat...

  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. Kaiser Wilhelm II - WWI, Abdication & Death | HISTORY

    Apr 14, 2010 · Wilhelm II (1859-1941) was the last German kaiser (emperor) and king of Prussia from 1888 to 1918, and one of the mos...

  6. What was the Zimmermann Telegram? - HISTORY

    May 21, 2014 · Most historians agree that American involvement in World War I was inevitable by early 1917, but the march to war was...

  7. 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 …

  8. 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 …

  9. 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 ...

  10. Austria-Hungary issues ultimatum to Serbia - HISTORY

    Oct 28, 2009 · Acting with the full support of its allies in Berlin, Austria-Hungary had determined in the aftermath of Franz Ferdinand’s assassination to pursue a hard-line policy towards Serbia. …