20th Century Timeline

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    World War I

    World War I, which occurred from 1914 to 1918, was a global conflict primarily centered in Europe. Triggered by political tensions, militarism, alliances, and the assassination of Archduke Franz Ferdinand, major powers engaged in extensive trench warfare. The war resulted in significant casualties, redrawing of national borders, and the eventual establishment of the League of Nations in an attempt to prevent future conflicts.

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Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.