U-boat warfare (1914-1918) (7 dic 1909 anni – 15 feb 1919 anni)
Descrizione:
were on a mission to destroy merchant vessels carrying supplies to allied forces in order to hinder their war efforts. Aided by intelligence reports on the location, destination, and speed of merchant vessels, the U-boats would search the seas for victimsAggiunto al nastro di tempo:
Data:
7 dic 1909 anni
15 feb 1919 anni
~ 9 years and 2 months