Unrestricted Submarine Warfare (1 Jan 1914 Jahr – 31 Mai 1915 Jahr)
Beschreibung:
Germany pursued a highly effective U-boat campaign against merchant ships. On 4 February 1915, Germany declared a war zone around Britain, within which merchant ships were sunk without warning.Zugefügt zum Band der Zeit:
Datum:
1 Jan 1914 Jahr
31 Mai 1915 Jahr
~ 1 years and 4 months