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  1. World War I - Wikipedia

    At the start of the war, German cruisers were scattered across the globe, some of which were subsequently used to attack Allied merchant shipping. These were systematically hunted down by …

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

    Oct 29, 2009 · World War I, also known as the Great War, started in 1914 after the assassination of Archduke Franz Ferdinand of Austria. His murder escalated into a war across Europe that lasted until …

  3. World War I - Encyclopedia Britannica

    Jun 29, 2026 · World War I, an international conflict that in 1914–18 embroiled most of the nations of Europe along with Russia, the United States, the Middle East, and other regions.

  4. Causes of World War I - Wikipedia

    World War I began in the Balkans on 28 July 1914, and hostilities ended on 11 November 1918, leaving 17 million dead and 25 million wounded. Moreover, the Russian Civil War can in many ways be …

  5. How and why did World War One start? - BBC Bitesize

    When did World War One begin? On 4 August 1914, Britain declared war on Germany. It became known as The Great War, as it affected people all over the world.

  6. The Causes of WWI - World History Encyclopedia

    May 15, 2025 · Which event started World War I? The event that started WWI was the assassination of Archduke Franz Ferdinand, heir to the Habsburg throne, by a Bosnian Serb nationalist in Sarajevo …

  7. World War I: Causes and Timeline | HISTORY

    World War I—also known as the Great War—pitted Germany, Austria-Hungary and the Ottoman Empire against Great Britain, the United States, France, Russia, Italy and Japan. New military...

  8. Who Started World War One? - History Hit

    Jan 30, 2019 · Who Started World War One? The origins of World War One are a long standing point of contention among historians.

  9. The outbreak of the First World War | Imperial War Museums

    How The World Went To War In 1914 - On 28 June 1914, Archduke Franz Ferdinand, and his wife were assassinated leading to the start of the First World War

  10. The forgotten story of Gavrilo Princip, the man who started World War One

    On 28 June 1914, a nineteen-year-old Bosnian Serb named Gavrilo Princip stepped forward and fired two shots into a passing motorcade in Sarajevo. His bullets killed Archduke Franz Ferdinand of …