1st June 1915
Western Front
Continued fighting in the "Labyrinth" (north of Arras).
French capture trenches at Souchez.
Eastern Front
Unsuccessful German gas attack west of Warsaw.
Austrian and German troops close in on Przemysl and capture three outlying forts.
Southern Front
Austrian aircraft bomb Bari and Brindisi.
Italians hold slopes of Monte Nero (across Isonzo), and advance in Adige Valley.
Asiatic and Egyptian Theatres
Turkish retreat on the Tigris, pursued by naval flotilla.
Aviation
The United States Department of the Navy awards its first contract for an airship – the DN-1-Class Blimp – to the Connecticut Aircraft Company.
DN-1 approaching its floating hangar at Pensacola.
First flight of the Airco DH.2
Naval
Dover Straits
Mohawk, destroyer, F-class, 864t, 6th DF Dover Patrol, on patrol off North Foreland near NW end of net area. Saw mines close to her, could not get clear because of strong east-going tide, damaged in first UC-boat-laid field (
UC.11 (Walter Gottfried Schmidt) in south entrance to Downs) in the Channel area, towed into Dover with upper deck almost level with the water; 5 ratings lost.
Political, etc.
Lord Kitchener made a K.G.
San Marino, the small republic inside Italian territory, debates on whether it should remain neutral or join the Allies.
The Tehcir Law, which authorizes the deportation of Armenians in the Ottoman Empire, is officially enacted.
Berlin bans restaurants from serving table d’hôte meals; also advises them to serve more vegetables instead of meat to conserve food.
Parliamentary elections are held in Greece. Eleftherios Venizelos and his Liberal Party wins a landslide victory.
Ship Losses:
HMS Mohawk ( Royal Navy): The Tribal-class destroyer struck a mine and was damaged in the English Channel with the loss of five of her crew.
SMS Pommern ( Kaiserliche Marine): Battle of Jutland: The Deutschland-class battleship was torpedoed and sunk in the North Sea off Jutland by
HMS Onslaught ( Royal Navy) with the loss of all 839 crew.
Saidieh ( United Kingdom): The cargo ship was torpedoed and sunk in the Thames Estuary by
SM UB-6 ( Kaiserliche Marine) with the loss of eight of her 54 crew.
Victoria ( United Kingdom): The fishing vessel was shelled and sunk in the Atlantic Ocean off the Isles of Scilly (50°36′N 6°20′W) by
SM U-34 ( Kaiserliche Marine) with the loss of six crew.
A French aviator helps load bombs on to his biplane, 1 June 1915.