German Government resumed unrestricted submarine warfare (1 янв 1917 г. – 1 март 1917 г.)
Описание:
As a result of Germany resuming this warfare, WIlson broke off diplomatic relations and German U-boats began to devastate ships.Добавлено на ленту времени:
Дата:
1 янв 1917 г.
1 март 1917 г.
~ 1 months and 29 days