5 сент 1914 г. - U-Boats
Описание:
Germany announced that their U-boats will be apart of unrestricted submarine warfare starting on February 1st. On March 17th, U-boats sank 3 U.S merchant ships. The U.S declared war on germany in 1917.Добавлено на ленту времени:
Дата:
5 сент 1914 г.
Сейчас
~ 111 г назад