1914
June 28th Francis Ferdinand assassinated at 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.
1915
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
1916
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
1917
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
1918
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.