Timeline of May 1915

Lifebelt from the RMS "Lusitania", torpedoed without warning and sunk by the German submarine U20 on 7 May 1915, with the loss of 1198 lives. The sinking was instrumental in swinging United States sentiment against Germany. An image of an artefact from the Imperial War Museum, catalogue number MAR 127, with my thanks.

Lifebelt from the RMS "Lusitania", torpedoed without warning and sunk by the German submarine U20 on 7 May 1915, with the loss of 1198 lives. The sinking was instrumental in swinging United States sentiment against Germany. An image of an artefact from the Imperial War Museum, catalogue number MAR 127, with my thanks.

May 1915

DateEvents
1German and Austrian forces begin major offensive on Eastern Front: Gorlice-Tarnow
7Ship "Lusitania" is sunk off Queenstown (Ireland) By german submarine U20
7British government agrees that Serbia will accede to Bosnia and Herzegovina after the war
7Japan presents an ultimatum to China, demanding territory: Chinese agree (9 May) and sign agreements regarding Shantung, South Manchuria and Inner Mongolia (25 May)
9Allied sping offensive begins - French attack in Artois and capture Lorette hights and advance on Vimy Ridge - disaster for British in Battle of Aubers Ridge
9First British New Army division sailes for service in France
13South African forces occupy Windhoek in German South West Africa
14British War Council meets for final time
15British army attacks in Battle of Festubert (lasts until 25 May
15Lord "Jacky" Fisher resigns as First Sea Lord: replaced by Henry Jackson (28 May)
19Russian forces capture Van in Armenia
21Russian force lands at Enzeli en route to Persia
23Italian government orders mobilisation and declares war on Austria: General Cadorna appointed Commander in Chief
24Italian forces cross frontier in Austria: Germany severs diplomatic relations
24Russian forces capture Urmia in North Persia
25Officially recognised end of Second Battle of Ypres and of Battle of Festubert
25Coalition ministry formed in British government
26British naval battle squadron concentrates at Malta before joining Italian fleet in Adriatic
27First Lord of the Admiralty, Winston Churchill, resigns : replaced by Arthur Balfour (29 May)
27Minelayer "Princess Irene" blows up in Sheerness harbour
30British forces secures control of Lake Nyasa
31Siege of Garua begins in Cameroons
31First German airship raid on London
31Second battle at Qurna in Mesopotamia

Links

April 1915

June 1915

Chronology of the Great War