British ships returning from Spitsbergen, Norway (Operation Gauntlet), are alerted to a German convoy. Cruisers HMS Nigeria and HMS Aurora refuel from oiler Oligarch and steam off to intercept while the destroyers continue back to Britain.
British Boeing B-17 Flying Fortress bombers unsuccessfully attack German cruiser Admiral Scheer in Oslofjord, Norway.
In the Atlantic, U-501 sinks Norwegian SS Einvik 360 miles Southwest of Iceland (all 23 crew reach Iceland in 2 lifeboats, 7 and 8 days later) and U-141 sinks tiny Icelandic trawler Jarlinn with 1 torpedo (all 11 hands lost). Italian submarine Baracca sinks Panamanian SS Trinidad 535 miles Northwest of Porto, Portugal (10 survivors reach Porto after 20 days in lifeboats).
In the Mediterranean 2 miles East of Corsica, Dutch submarine O.21 sinks Italian SS Isarco (22 survivors picked up O.21 and taken to Gibraltar). In the Aegean Sea 22 miles Northwest of the Greek island of Lesbos, British submarine HMS Perseus hits Italian tanker Maya which is beached.