• The Archduke of Austria Franz Ferdinand, center right, and his wife Sophie walk to their a car in Sarajevo minutes before their assassination, on June 28, 1914. All by AP Photos
    The Archduke of Austria Franz Ferdinand, center right, and his wife Sophie walk to their a car in Sarajevo minutes before their assassination, on June 28, 1914. All by AP Photos
  • Prussian soldiers leaving Berlin for the front are given flowers by a woman.
    Prussian soldiers leaving Berlin for the front are given flowers by a woman.
  • German troops stand in formation during the occupation of Brussels.
    German troops stand in formation during the occupation of Brussels.
  • A man stands next to a building damaged by shrapnel from bombs dropped from a Zeppelin in Antwerp, Belgium.
    A man stands next to a building damaged by shrapnel from bombs dropped from a Zeppelin in Antwerp, Belgium.
  • The Cathedral of Reims, France smokes after bombardment.
    The Cathedral of Reims, France smokes after bombardment.
  • Small boats create a pontoon bridge over the Scheldt River in Antwerp, Belgium, for residents and troops escaping the German Army.
    Small boats create a pontoon bridge over the Scheldt River in Antwerp, Belgium, for residents and troops escaping the German Army.
  • Australian troops arrive in Alexandria, Egypt, en route to the battlefield on the Gallipoli Peninsula.
    Australian troops arrive in Alexandria, Egypt, en route to the battlefield on the Gallipoli Peninsula.
  • Troops are mobilized on the bank of the Danube River across from Belgrade.
    Troops are mobilized on the bank of the Danube River across from Belgrade.
  • Turkish soldiers at a military review in Damascus, Syria.
    Turkish soldiers at a military review in Damascus, Syria.
  • The British Grand Fleet under admiral John Jellicoe are on their way to meet the Imperial German Navy's fleet for the Battle of Jutland in the North Sea.
    The British Grand Fleet under admiral John Jellicoe are on their way to meet the Imperial German Navy's fleet for the Battle of Jutland in the North Sea.
  • US President Woodrow Wilson delivers a speech to the joint session of Congress, in Washington, DC, United States, on April 2, 1917.
    US President Woodrow Wilson delivers a speech to the joint session of Congress, in Washington, DC, United States, on April 2, 1917.
  • The first 5,000 American soldiers to reach England march across historic Westminster Bridge in London, UK.
    The first 5,000 American soldiers to reach England march across historic Westminster Bridge in London, UK.
  • United States Army troops stand in the trenches in France.
    United States Army troops stand in the trenches in France.
  • A soldier walks along wooden planks placed over the mud of Flanders' Fields near the Yperlee Canal near Ypres, Belgium.
    A soldier walks along wooden planks placed over the mud of Flanders' Fields near the Yperlee Canal near Ypres, Belgium.
  • Wounded World War One soldiers play a game at a London hospital.
    Wounded World War One soldiers play a game at a London hospital.
  • Two soldiers are passed by tanks on their way to support French troops in Juvigny, France.
    Two soldiers are passed by tanks on their way to support French troops in Juvigny, France.
  • US Army General John J. Pershing, center, inspects French troops at Boulogne, France, on June 13, 1917.
    US Army General John J. Pershing, center, inspects French troops at Boulogne, France, on June 13, 1917.
  • US troops advance on a path through a barbed wire entanglement near Beauqueanes, Somme, France.
    US troops advance on a path through a barbed wire entanglement near Beauqueanes, Somme, France.
  • People in the streets of Paris, France, celebrate the signing of the Armistice.
    People in the streets of Paris, France, celebrate the signing of the Armistice.
  • American troops, near St. Mihiel, France, cheer after hearing the news that the Armistice has been signed.
    American troops, near St. Mihiel, France, cheer after hearing the news that the Armistice has been signed.

First World War: key events in 20 pictures


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