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Some other source give April the 5th as start for the operation. Which date is correct?!
- This document https://archive.org/details/ProposedOperationsInNorwegianTerritorialWatersAlliedViolationOfNeutralityAndJust proposes the 5th of April as start for the minelaying operations. --18.104.22.168 (talk) 16:30, 10 April 2015 (UTC)