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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 …

  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 catapulted into a war across Europe that …

  3. World War I - Encyclopedia Britannica

    Nov 17, 2025 · World War I began after the assassination of Austrian archduke Franz Ferdinand by South Slav nationalist Gavrilo Princip on June 28, 1914.

  4. The causes of World War I: Explained simply - History Skills

    In 1914, a chain of events set off by the shot of a lone assassin in Sarajevo plunged the world into its first truly global conflict. However, the reasons of this catastrophe ran far deeper than just …

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

    Discover how country alliances led to World War One and why the great war started in this BBC Bitesize history KS2 guide.

  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 …

  7. Six Causes of World War I | Norwich University - Online

    The First World War began in the summer of 1914, shortly after the assassination of Austria’s Archduke, Franz Ferdinand, and lasted more than four years, ending in 1918.

  8. Timeline of the Causes and Start of WW1 - Students of History

    An summary of the causes of WW1, including militarism, alliances, imperialism, and nationalism, along with a timeline of the start of the war.

  9. Causes of World War I - Wikipedia

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

  10. World War I occurred between July 1914 and November 11, 1918. By the end of the war, over 17 million people would be killed including over 100,000 American troops. The reason why war …