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  1. Causes of World War I - Wikipedia

    Scholars looking at the long term seek to explain why two rival sets of powers (the German Empire, Austria-Hungary, and the Ottoman Empire against the Russian Empire, France, and the British …

  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 | Causes, Years, Combatants, Casualties, Maps, & Facts ...

    5 days ago · World War I (1914–18) was an international conflict that embroiled most of the nations of Europe along with Russia, the U.S., the Middle East, and other regions. It led to the fall of four great …

  4. The Causes of WWI - World History Encyclopedia

    May 15, 2025 · What were the three main causes of WWI? The three main causes of WWI were Germany's imperialist ambitions, a rise in nationalist independence movements in the Balkans, and a …

  5. Six Causes of World War I - Norwich University Online

    Six Causes of World War I ... 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.

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

    Discover the four main causes of World War I—militarism, alliances, imperialism, and nationalism. Learn how tensions in Europe made global conflict unavoidable.

  7. The Main Causes of WW1 - WorldAtlas

    Nov 13, 2025 · The most direct cause was the assassination of Austria-Hungary's Archduke on June 28, 1914. However, the deeper roots can be traced to alliances, militarism, imperialism, and nationalism.

  8. Causes of the First World War: A literature review

    Feb 26, 2025 · Introduction The outbreak of the First World War in 1914 was the result of a complex interplay of long-term structural forces and short-term decisions. Historians have long debated the …

  9. The causes of the First World War - Imperial War Museums

    The causes of the First World War are complex, they're still debated to this day. The nations didn't realize it at the time, but their attempts to defend what they perceived as their own national interests …

  10. Why Did WW1 Start? The Complex Causes of World War I

    Explore the causes of World War I, from long-term alliances to the short-term crisis that turned Europe’s tensions into global war.