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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 · 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. 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 …

  8. The Story Of World War I | History | Geography

    Aug 5, 2025 · World War I, or the Great War, began in 1914, following the assassination of Archduke Franz Ferdinand of Austria. This one event triggered a chain of events among …

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

    This was the spark or immediate cause that started World War 1. In July, Austria-Hungary declared war on Serbia and their alliances soon pulled the rest of Europe into the war. A …

  10. How did the war begin? | Sir John Monash Centre

    May 6, 2025 · The start of the First World War is generally accepted as 28 July 1914, following the assassination of the Austro-Hungarian Archduke, Franz Ferdinand. But how could an …