May 19—German submarines sink British steamers Drumcree and Dumfries and British trawler Lucerne; no lives lost.
May 20—French steam trawler is blown to pieces by German submarine near Dartmouth; thirteen of crew killed; British trawlers Chrysolite and Crimond are sunk by German submarines; crews saved.
May 21—German submarine, with thirty-nine shots from her gun, sinks British sailing ship Glenholm off Irish coast; crew saved.
May 22—German submarine sinks Norwegian steamer Minerva; crew saved.
May 23—Repeated reports keep coming from Copenhagen that the German naval authorities admit the loss of seventeen submarines since the opening of the war.
May 24—An allied submarine sinks Turkish gunboat Pelenk-i-Deria.
May 25—British battleship Triumph is sunk in the Dardanelles by a German submarine, going down in seven minutes; 56 men are lost; the Triumph was built in 1904 and cost $4,750,000.
May 26—A British submarine has sunk a Turkish gunboat in the Sea of Marmora within sight of Constantinople.
May 27—German submarine torpedoes and sinks British battleship Majestic off Sedd-el-Bahr; 49 men are lost; Majestic was completed in 1895 and belonged to the oldest type of battleship in commission in British Navy; British Admiralty announces that submarine E-11 has sunk a large Turkish munition ship, while she caused a small storeship to run ashore; also that E-11 entered Constantinople harbor and discharged a torpedo at a transport alongside the arsenal; British steamer Cadeby is sunk off the Scilly Islands by gunfire from a German submarine; crew saved.
May 28—The torpedoing of the American tanker Gulflight is now established in Germany as having been due to a German submarine, the report of the submarine's Captain having been received by the German Admiralty; he reports that when he saw the Gulflight she was being convoyed by two patrol boats, and he concluded she must be British or was carrying contraband; British steamer Spennymoor is sunk by a German submarine off the Orkney Islands, six men being drowned; British steamer Tullochmoor is shelled and sunk by a German submarine, crew being saved; British steamer Glenlee is sunk by a German submarine, crew being saved; Portuguese steamer Cysne is sunk by a German submarine off Cape Finisterre, crew being saved; German submarine U-24 sinks British steamer Ethiope in the English Channel; fifteen of crew are missing.