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ONE OF THE HUNDREDS CENTER PHOTOS CHRONOLOGY OF THE CENTENARY OF THE WORLD WAR -In this archival photo of June 28, 1914, the Austrian Archduke Franz Ferdinand, center right, and his wife Sophie, at center left, went to their car in Sarajevo. This photo was taken minutes before the assassination of the Archduke and his wife, an event that triggered a chain reaction of events likely to lead to the First World War. (AP photo, file) The Associated Press
PARIS (AP) – Driven by the assassination of an archduke, the First World War gradually entangled countries, killing millions of soldiers and civilians and affecting several continents.
As the world marks the centenary of the stoppage of fighting, here are some key moments from the First World War:
June 28: Serbian teenager Gavrilo Princip kills the Austrian archduke Franz Ferdinand
July 28: Austria-Hungary declares war on Serbia
August 1st: Germany declares war on Russia
August 3: Germany declares war on France
August 4: Germany invades Belgium; Britain declares war on Germany
August 23: Japan declares war on Germany
September: the Battle of the Marne stops the German advance in France
October 29: The Ottoman Empire enters the war
November: beginning of the trench war
December 25th: Unofficial Christmas Truce
February: The German submarine campaign marks the first major use of submarines in the war
April: Allied troops land in Gallipoli, Turkey, a decisive moment for Australia and New Zealand.
April 22: first use of a chemical weapon, chlorine gas, near Ypres, Belgium
May 7: The British ship Lusitania sunk by a German submarine
May 23: Italy enters the war against Austria-Hungary
October: Bulgaria joins the war, alongside the Central Powers
February 21: beginning of the Battle of Verdun
March 9: Germany declares war on Portugal
July 1st: beginning of the battle of the Somme, with a first massive use of tanks
August 27: Romania enters the war and is invaded by Germany
September 4: The British take Dar es Salaam in German East Africa
October: injured soldier Adolf Hitler
December 23: Allied forces defeat Turkey in the Sinai Peninsula
March: Baghdad falls to Anglo-Indian forces
April 6: The United States declares war on Germany
April: Battle for Vimy Ridge, a turning point for Canada
July: The last Russian offensive results in a failure in the approach of the revolution. inconclusive battle of Passchendaele in Belgium
October 15: Spy Mata Hari executed by a French firing squad
October 26: Brazil declares war and joins the Allied Powers
December: Battle of Jerusalem
March 3: The Treaty of Brest-Litovsk puts an end to Russia's engagement in the war on the Eastern Front.
April 21: legendary German fighter pilot known as Red Baron shot and killed near Amiens, France
June: The Battle of Belleau Wood, Decisive Moment for the US Army
July 21: A German submarine fires in Cape Cod, attacking only on the American continent.
September 26: start of the Battle of Meuse-Argonne
October 30: The Ottoman Empire signs the armistice with the allies
October 31: Dissolution of the Austro-Hungarian Empire
November 9: The abandonment of the Kaiser Wilhelm II in Germany
November 11: Germany signs an armistice ending the war
For more information on the First World War, visit the Associated Press's WWI Hub: https://www.apnews.com/WorldWarI.
World War I: Commemorative Centennial Edition of the AP. Now available exclusively on Amazon: https://amzn.to/2JGrx5U
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