15th June 1915
Western Front
French airmen bomb Karlsruhe.
British take, but fail to hold, German front line trench east of Festubert.
Eastern Front
German advance on right bank of San.
Austrian and German armies capture Mostyska from Russian forces on their advance towards Lviv.
Aviation
Zeppelin raid on north-east coast.
Political, etc.
Prime Minister Asquith admits the word “coalition” for the new cabinet has an unpleasant flavor, but was necessary due to the war.
House of Commons votes for another £250 million credit (£152.4 billion today) for the war.
Ship Losses:
Argyll ( United Kingdom): The trawler struck a mine and sank in the North Sea 12 nautical miles (22 km) east south east of Harwich, Essex with the loss of seven of her crew.
Strathnairn ( United Kingdom): The cargo ship was torpedoed and sunk in the Bristol Channel 2 nautical miles (3.7 km) west of Ramsey Island, Pembrokeshire (50°16′N 6°37′W) by
SM U-22 ( Kaiserliche Marine) with the loss of 21 crew.