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19 July 2009
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Summary of World War One

Black and white photograph of Allied soldiers in a trench
Allied soldiers in a trench ©

The war that 'would be over by Christmas' dragged on for four long years of bloody stalemate. Explore an overview of the war years in this brief year-by-year summary.

The war in brief

1914

  • Germany invades Belgium.
  • Britain declares war on Germany.
  • Japan joins the Allied forces: Ottoman Empire soon joins the Central Powers.
  • War spreads to the seas.
1915
  • Women take up men's jobs.
  • Stalemate continues on the Western Front.
  • The Lusitania passenger liner is sunk, with 1,200 lives lost.
  • London attacked from the air by German Zeppelins.
1916
  • Conscription for men aged between 18 and 41.
  • A million casualties in ten months: Germany aims to 'bleed France white'.
  • At sea the Battle of Jutland takes place.
  • Armed uprisings in Dublin: the Irish Republic is proclaimed.
1917
  • German Army retreats to the Hindenburg Line.
  • United States joins the war and assists the Allies.
  • Tank, submarine and gas warfare intensifies.
  • Royal family change their surname to Windsor to appear more British.
1918
  • Germany launches major offensive on the Western Front.
  • Allies launch successful counter-offensives at the Marne and Amiens.
  • Armistice signed on November 11, ending the war at 11am.
  • In Britain, a coalition government is elected and women over 30 succeed in gaining the vote.

Published: 2001-01-01

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