An item reported that since Germany on 18 February 1915 announced to start her unrestricted submarine warfare the German-Austrian submarines destroyed at least 1.000 ships belonging to her enemy (the Entente) and to neutral countries. The result was that the USA entered the war 6 April 1917 as opponents of Germany because of this submarine warfare.
In the period between 18 February 1915 and 31 July 1916 lost Russia 41 ships consisting of 14 steamships and 15 sailing ships. The navy lost two minelayers, two torpedo boats, four transports, three gunboats and the hospital ship Periode.
In the period between 18 February 1915 and 31 July 1916 lost Russia 41 ships consisting of 14 steamships and 15 sailing ships. The navy lost two minelayers, two torpedo boats, four transports, three gunboats and the hospital ship Periode.
