June 28th Archduke Franz Ferdinand assassinated in Sarajevo
  July 5th Kaiser William II promised German support for Austria against Serbia
  July 28th Austria declared war on Serbia
  August 1st Germany declared war on Russia
  August 3rd Germany declared war on France and invaded Belgium. Germany had to implement the Schlieffen Plan.
  August 4th Britain declared war on Germany
  August 23rd The BEF started its retreat from Mons. Germany invaded France.
  August 26th Russian army defeated at Tannenburg and Masurian Lakes.
  September 6th Battle of the Marne started
  October 18th First Battle of Ypres
  October 29th Turkey entered the war on Germany’s side. Trench warfare started to dominate the Western Front.
  January 19th The first Zeppelin raid on Britain took place
  February 19th Britain bombarded Turkish forts in the Dardanelles
  April 25th Allied troops landed in Gallipoli
  May 7th The “Lusitania” was sunk by a German U-boat
  May 23rd Italy declared war on Germany and Austria
  August 5th The Germans captured Warsaw from the Russians
September 25th  Start of the Battle of Loos
  December 19th The Allies started the evacuation of Gallipoli
  January 27th Conscription introduced in Britain
  February 21st Start of the Battle of Verdun
  April 29th British forces surrendered to Turkish forces at Kut in Mesopotamia
  May 31st Battle of Jutland
June 4th Start of the Brusilov Offensive
  July 1st Start of the Battle of the Somme
August 10th End of the Brusilov Offensive
  September 15th First use en masse of tanks at the Somme
  December 7th Lloyd George becomes British Prime Minister
  February 1st Germany’s unrestricted submarine warfare campaign started
  April 6th USA declared war on Germany
  April 16th France launched an unsuccessful offensive on the Western Front
  July 31st Start of the Third Battle at Ypres
  October 24th Battle of Caporetto – the Italian Army was heavily defeated
  November 6th Britain launched a major offensive on the Western Front
  November 20th British tanks won a victory at Cambrai
  December 5th Armistice between Germany and Russia signed
  December 9th Britain captured Jerusalem from the Turks
  March 3rd The Treaty of Brest-Litovsk was signed between Russia and Germany.
  March 21st Germany broke through on the Somme
  March 29th Marshall Foch was appointed Allied Commander on the Western Front
  April 9th Germany started an offensive in Flanders
  July 15th Second Battle of the Marne started. The start of the collapse of the German army
  August 8th The advance of the Allies was successful
  September 19th Turkish forces collapsed at Megiddo
  October 4th Germany asked the Allies for an armistice
  October 29th Germany’s navy mutinied
  October 30th Turkey made peace
  November 3rd Austria made peace
  November 9th Kaiser William II abdicated
  November  11th Germany signed an armistice with the Allies – the official date of the end of World War One.
  Post-war – 1919  
  January 4th Peace conference met at Paris
  June 21st The surrendered German naval fleet at Scapa Flow was scuttled.
  June 28th The Treaty of Versailles was signed by the Germans.
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