Baltic Sea

The Norwegian steamers Geisha and Susanna are seized by German warships for contraband violations.

Battle of the Atlantic

• U-34 seizes the Norwegian steamer Snar (3176t) as a prize off southern Norway.
• The German steamer Leander (989t) is captured by the British destroyer Isis and joins convoy HG-6 which the destroyer is escorting. She is taken to Falmouth and placed in British service under the name Empire Crusader.