Air Operations, Mediterranean

During the night 11 Italian SM-81 bombers raid Alexandria. 2 are lost.

Atlantic

The battleship Richelieu is attacked in Dakar Harbor, French West Africa, during the night by a small British unit.

Battle of the Atlantic

• U-30 enters the new U-boat base at Lorient.
• U-34 sinks the Dutch motor tanker Lucrecia (2584t) 100 miles west of Land's End with the loss of 2 crewmen. 30 survivors are picked up by the Portugese steamer Alferrarede.
• U-99 sinks the Swedish steamer Bissen (1514t) 80 miles south southwest of Cape Clear, Ireland. The entire crew is rescued.

German Raiders

The German armed merchant cruiser Thor sinks the British steamer Delambre (7032t) in the South Atlantic. Some of the crew are made prisoners of war.

Mediterranean

The French commander in Alexandria, Adm Rene Godefroy, agrees to allow his ships to be demobilized. The French force here consists of the battleship Lorraine, 3 heavy cruisers, 1 light cruiser, 3 destroyers and a submarine.

In the second British attack on the remnants of the French Fleet at Mers-el-Kébir, the HMS Ark Royal sinks the Dunkerque.