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How the First World War unfolded

From a wrong turn in Sarajevo to the hall of mirrors at Versailles: how one assassination consumed a continent.

Figures Leon TrotskyVladimir LeninWinston Churchill

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  1. A wrong turn by a driver put the Archduke in front of a nineteen-year-old with a pistol. Within five weeks, every great power in Europe was at war.

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  2. The alliance system now worked like a trap: Russia mobilized to protect Serbia, which pulled in Germany, which pulled in France.

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  3. Germany’s war plan required beating France quickly before Russia could fully mobilize, and the fastest road to Paris ran through neutral Belgium.

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  4. The quick victory never came. The German advance was stopped within sight of Paris.

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  5. With the western front frozen, both sides looked for a way around, and found only new places to bleed.

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    First Battle of the Marne

    French and British forces halt the German advance on Paris; both sides dig in, beginning four years of trench warfare.

  6. 1916 became the year of the great attrition battles, fought over yards of ground.

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  7. To relieve pressure on Verdun, the British launched their own offensive on the Somme.

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    Battle of Verdun

    The longest battle of the war; France holds Verdun at a combined cost of some 700,000 casualties.

  8. The next year the war became truly global, and one of its original members collapsed.

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    Battle of the Somme

    The British Army suffers 57,000 casualties on the first day alone; five months of fighting gain roughly six miles.

  9. While fresh American strength gathered, Russia buckled.

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    United States enters the war

    Unrestricted submarine warfare and the Zimmermann telegram bring the United States into the war on the Allied side.

  10. The new Bolshevik government made peace at any price.

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  11. Freed in the east, Germany gambled everything on one last offensive in the west before the Americans arrived in force.

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  12. The gamble failed. The Allied counteroffensive rolled forward through the autumn until Germany asked for terms.

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    German spring offensive

    Germany's final offensives gain more ground than any since 1914 but exhaust her last reserves.

  13. The peace that followed was written by the victors, and it planted the resentments the next war would grow from.

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    Armistice of 11 November 1918

    Fighting ends at the eleventh hour of the eleventh day of the eleventh month; some nine million soldiers are dead.

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Change log

1 change

  1. Linked to "Military and security" as part of in this story