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  1. 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 …

  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

    4 days ago · What was the main cause of World War I? 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. The causes of the First World War - Imperial War Museums

    The assassination of Austrian archduke Franz Ferdinand sparked the start of the First World War. But what happened next and why did Britain get involved?

  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. 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 …

  8. World War One (WW1) | HistoryExtra

    World War One (WW1) was a major global conflict that lasted four years, from 1914 to 1918. It began on 28 July 1914, when Austria-Hungary declared war on Serbia one month to the day …

  9. 8 Events that Led to World War I - HISTORY

    Apr 6, 2021 · Imperialism, nationalistic pride and mutual alliances all played a part in building tensions that would erupt into war. World War I, which lasted from 1914 until 1918, introduced …

  10. World War I | Key Facts | Britannica

    World War I (1914–18), also called the First World War or Great War, was the most deadly and destructive war the world had ever seen to that time. On June 28, 1914, Austrian Archduke …