The RAF arrived in Norway in the form of 18 Gladiator biplanes from HMS Glorious landed on Lake Lesjaskogsvatnet, midway between Åndalsnes and Dombås.
General Bernard Paget’s 15th Brigade landed at Åndalsnes, having sailed from France on April 15, and moved south towards Lillehammer to reinforce Norwegian troops holding the German advance. They passed Morgan’s defeated 148th Brigade falling back to Åndalsnes.
In heavy Lutfwaffe attacks on Åndalsnes, the cruiser HMS Curacoa was struck by a bomb below the bridge which exploded between decks.
U-23 made two unsuccessful attacks on the British cruiser HMS York, returning to Scapa Flow from Åndalsnes.
The Norwegian 6th Brigade under General Carl Gustav Fleischer attacked the German perimeter north of Narvik. They were held by the Germans at Lapphaug Pass but those marching over Fjordbotneidet Mountain found Gratangsbotn undefended. Germans falling back from Lapphaug surprised the Norewgians and retook Gratangsbotn.
The battleship HMS Warspite, cruisers HMS Effingham, Enterprise, Aurora and destroyer HMS Zulu screened by British destroyers HMS Encounter, Escort, Faulknor, Foxhound, Havock, Hero and Hostile and the Polish destroyers Blyskawica and Grom) sailed into Ofotfjord and bombarded Narvik. HMS Effingham sank the captured British steamer Riverton docked in the harbour. Naval commander Lord Cork and Orrery went ashore to assess conditions on the coastline and concluded that deep snow would make opposed landings impossible.
Hitler appointed Josef Antonius Heinrich Terboven as Reichskommissar or Gauleiter of Norway.
Paul Reynaud, Prime Minister of France, urged Mussolini not to bring Italy into the war.
Day 237. USSR
The new garrison of six infantry battalions reached Stalingrad. No other activity took place in the Soviet Union.