Air Operations, Europe

The RAF bombs Stavanger-Sola airfield and seaplanes in Hafrs Fjord. Norwegian Fokker biplanes bomb Ju-52 seaplane transports on Lake Harting.

Battle of the Atlantic

• The German auxiliary minesweeper M.1101 (the trawler Foch & Hubert (518t) is lost north of Laeso Island on a mine in the minefield laid by the British submarine Narwhal on the 12th.
• The British submarine Snapper sinks the German steamer Florida (6148t) in convoy off Skagen.
• The British submarine Sunfish sinks the German naval auxiliary Schiff 35, the steamer Oldenburg (2312t), east of Laeso Island near Skagen.
• The British heavy cruiser Suffolk intercepts the German tanker Skagerrak (6044t) northwest of Vaagso. She scuttlers herself rather than be captured.

Norway

The Norwegian forces are fighting a series of delaying actions in the Glomma Valley and around Lake Mjosa against the German forces advancing north from Oslo. The British North Western Expeditionary Force begin landing at Namsos and Harstad.

The British and French are considering a number of possible strategies with the object of freeing Trondheim and Narvik. During the next few days, however, direct assaults on these places will be ruled out. Instead the chosen plan for the Trondheim area will involve a buildup at Namsos and Andalsnes and for Narvik preparations at Harstad.

Gen Nicolaus von Falkenhorst, Commander of the German Forces in Norway, threatens draconian measures against civilian resistors.