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feb 1, 1917 - German unrestricted submarine campaign

Description:

The German unrestricted submarine campaign was when German declared that the British isle was a war zone, which meant that any neutral, merchant, or enemy ships will be sunk by German ships.

Added to timeline:

WW1 timeline

ByEwan
23 Apr 2018
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598

Date:

feb 1, 1917
Now
~ 108 years ago
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