Battle of the Atlantic

• In an attack on Convoy FN-366 by German motor torpedo boats S-59 badly damages the Dutch steamer Stad Maastricht (6552t). The ship is taken under tow but sinks on the 25th about 4 miles from the Gunfleet Light Vessel. The entire crew is rescued.
• The Dutch steamer Breda (6941t) is sunk by German bombing in the North Sea. The entire crew is rescued.

General Sikorski awards Silver Cross of Virtuti Militari to ace pilot Jan Zumbach Dec. 23, 1940.

Polish Ace Awarded Silver Cross

Britain, Politics

• Lord Halifax becomes British Ambassador to the United States. Anthony Eden takes over as Foreign Secretary. David Margesson becomes Secretary for War (Army Minister).
• Churchill broadcasts to the Italians: 'One man and one man only was resolved to plunge Italy, after all these years of strain and effort, into the whirlpool of war.'

Greek-Albanian Front

The Greeks continue their advance, occupying Himarra.