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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

    Oct 13, 2025 · 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 …

  4. 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 …

  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. 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.

  7. Who Really Started World War I - The Truth Behind the Blame

    Oct 15, 2025 · It wasn’t just Germany. The road to 1914 was a tangled web of fear, pride, and fatal miscalculations. This video takes you through the July Crisis — from the assassination in …

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

    With the decline of the Ottoman Empire, Serbian nationalism continued to rise, culminating in the assassination of the Archduke of Austria in 1914 by a Bosnian Serb and officially triggering the …

  9. World War One: Its Cause, Its End, And Its Legacy - History

    The reasons for the beginning of World War One all start with a wrong turn taken on a road in Sarajevo. On 28 June 1914 Archduke Franz Ferdinand and his wife, Countess Sophie, were …

  10. 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 …