1 fev 1917 ano - First Use of Submarines

Descrição:

- Germany was the first to use submarines on February 1, 1917.
- They called them U-boats, which stood for underwater boats.
- On February 1, 1917, Germany sank about 5,000 British ships.
- This was the first use of technology world wide.
- MANY BRITISH SHIPS WERE SUNK.
- ONE OF THE CAUSES TO THE U.S. DECLARING WAR ON GERMANY.

Adicionado na linha do tempo:

Data:

Imagens: