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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. The United States officially enters World War I - HISTORY

    Feb 9, 2010 · When World War I erupted in 1914, President Woodrow Wilson pledged neutrality for the United States, a position that the vast majority of Americans favored. Britain, however, …

  5. 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...

  6. How Many People Died in World War I? - HISTORY

    Apr 19, 2023 · Major powers such as Britain, France, the U.S. and Germany kept detailed records of the war’s human cost. But the carnage of World War I was so extreme and pervasive, and …

  7. 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.

  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. How Airplanes Were Used in World War I - HISTORY

    Feb 10, 2022 · Even though airplanes were a relatively new invention, the race for air superiority started during World War I.

  10. When German Immigrants Were America’s Undesirables | HISTORY

    May 11, 2018 · Because Germany was one of America’s adversaries in the war, many Anglo-Americans began to fear that German Americans were still loyal to the Kaiser, or German …