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6 abr 1917 ano - 美国参战（1917.4.6）

Descrição:

美国以德国潜艇攻击美国商船为口实，对德宣战，美国的参加，增强了协约国的实力。德国的无限制潜艇战事变，协约国和中立国方面的商船损失减少。

Adicionado na linha do tempo:

世界史

ByKing
9 ago 2022
1
0
474

Data:

6 abr 1917 ano
Agora
~ 108 years ago
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