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jan 31, 1917 - U-bådskrig
Description:
tyskland erklærer uindskrænket u-bådskrig i en zone rundt omkring England
Added to timeline:
Tidslinje første verdenskrig
By
jacob657d
5 Jan 2018
0
0
295
Date:
jan 31, 1917
Now
~ 107 years ago
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