• Archduke Assassination

    Archduke Assassination
    Archduke Franz Ferdinand is assassinated in Sarajevo. His death is the event that sparks World War I.
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    Who was involved

    Allies:
    France
    British Empire
    Russian Empire
    Italy
    United States
    Japan
    Romania
    Serbia
    Belgium
    Greece
    Portugal
    Montenegro Central Powers:
    German Empire
    Austria-Hungary
    Ottoman Empire
    Bulgaria
  • World War I Begins

    World War I Begins
    The immediate cause was the assassination of Franz Ferdinand, the archduke of Austria-Hungary. His death at the hands of Gavrilo Princip – a Serbian nationalist with ties to the secretive military group known as the Black Hand – propelled the major European military powers towards war.
  • Tannenberg

    Tannenberg
    Perhaps the most spectacular and complete German victory of the First World War, the encirclement and destruction of the Russian Second Army in late August 1914 virtually ended Russia's invasion of East Prussia before it had really started.
  • Battle of the Marne

    The First Battle of the Marne was fought in September 1914. By September 12th, the end of the Battle of the Marne, the war of movement seen since August 1914 had gone and the trench warfare associated with World War One had come into being.
  • First Battle of Ypres – 1914

    First Battle of Ypres – 1914
    On October 19, 1914, near the Belgian city of Ypres, Allied and German forces begin the first of what would be three battles to control the city and its advantageous positions on the north coast of Belgium during the First World War.
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    Battle of Gallipoli

    By 1915 the Western Front was clearly deadlocked. Allied strategy was under scrutiny, with strong arguments mounted for an offensive through the Balkans or even a landing on Germany's Baltic coast, instead of more costly attacks in France and Belgium.
  • Germans Fire

    Germans Fire
    The Germans fire shells filled with chlorine gas at Allied lines. This is the first time that large amounts of gas are used in battle, and the result is the near-collapse of the French lines. However, the Germans are unable to take advantage of the breach.
  • Lusitania Sinks

    Lusitania Sinks
    A German submarine sinks the passenger liner Lusitania. The ship carries 1,198 people, 128 of them Americans.
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    Battle of Verdun

    The Battle of Verdun in 1916 was the longest single battle of World War One. The casualties from Verdun and the impact the battle had on the French Army was a primary reason for the British starting the Battle of the Somme in July 1916 in an effort to take German pressure off of the French at Verdun. The Battle of Verdun started on February 21st 1916 and ended on December 16th in 1916. It was to make General Philippe Pétain a hero in France.
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    Battle of Somme

    Comprising the main Allied attack on the Western Front during 1916, the Battle of the Somme is famous chiefly on account of the loss of 58,000 British troops (one third of them killed) on the first day of the battle, 1 July 1916, which to this day remains a one-day record. The attack was launched upon a 30 kilometre front, from north of the Somme river between Arras and Albert, and ran from 1 July until 18 November, at which point it was called off.
  • U.S. Enters War

    U.S. Enters War
    Congress authorizes a declaration of war against Germany. The United States enters World War I on the side of France and Britain.
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    Battle of Ypres

    Strategically located along the roads leading to the Channel ports in Belgian Flanders, the Belgian city of Ypres had been the scene of numerous battles since the sixteenth century. With the German failure at the Battle of the Marne in September 1914 and the subsequent Allied counter attacks, the "Race to the Sea" began.
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    Battle of Caporetta

    One of the more spectacular successes of the war (by any belligerent), the Battle of Caporetto (also referred to as the Twelfth Battle of the Isonzo) saw combined Austro-Hungarian and German forces decisively break through the Italian line along the northern Isonzo, catching the Italian defenders entirely by surprise. The scale of the Italian defeat at Caporetto led to both a change in government and Luigi Cadorna's dismissal as Chief of Staff.
  • Battle of Cantigny

    Battle of Cantigny
    The Battle of Cantigny is the first major American offensive of the war. Though small in scale, the Americans fight bravely and soon go on to larger attacks against German positions
  • WWI Ends

    WWI Ends
    The final Allied push towards the German border began on October 17, 1918. As the British, French and American armies advanced, the alliance between the Central Powers began to collapse. Turkey signed an armistice at the end of October, Austria-Hungary followed on November 3. The Allies had WON!
  • Treaty of Versailles

    Treaty of Versailles was one of the peace treaties at the end of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1919, exactly five years after the assassination of Archduke Franz Ferdinand.
  • Sources/ Citations

    Sources/ Citations
    Cowsill, Alan, and Lalit Sharma. World War One: 1914-1918 : The War to End All Wars. Kalyani Navyug Media Pvt. Print. Horton, Jake. "Treaty of Versailles." History.com. A&E Television Networks, 9 Aug. 2015. Web. 10 Mar. 2015. <http://www.history.com/topics/world-war-i/treaty-of-versail Terry, Luke. "Major Battles of World War I." <i>Major Battles of World War I</i>. Compare Infobase Ltd., 7 Mar. 2012. Web. 10 Mar. 2015. http://www.mapsofworld.com/world-war-i/major-battles.html&gt