1 janv. 1915 - German Resumption of Unrestricted Submarine Warfare
Description:
Unrestricted submarine warfare was first introduced in World War I in early 1915, when Germany declared the area around the British Isles a war zone, in which all merchant ships, including those from neutral countries, would be attacked by the German navy.Ajouté au bande de temps:
Date:
1 janv. 1915
Maintenaint
~ Il y a 109 ans
