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feb 4, 1915 - Germany declares unrestricted submarine warfare

Description:

Germany U-boats began attacking civilian ships carrying British military supplies without letting civilians evacuate. Thousands of civilians ended up dying.

Added to timeline:

World War 1 Timeline, Erik Rozek

ByErik R
7 Nov 2017
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Date:

feb 4, 1915
Now
~ 110 years ago
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