Battle of the Atlantic
- U-34 sinks the British steamer Arlington Court (4915t) from convoy SL-7A 320 miles from Start Point with the loss of 5 of her crew. The Dutch steamer Algenib rescues 22 survivors from a lifeboat. Another 7 crewmen are picked up by the Norwegian tanker Spinanger on the 22nd.
- U-28 sinks the Dutch tanker Sliedrecht (5133t) 200 miles south of Rockall Bank. 26 crewmen are missing, but the British trawler Mersia rescues 5 survivors during the night of the 23rd.
| 
]Czechoslovakia, Resistance
After some recent unrest, martial law is declared in Prague. There are many shootings and deportations.
[]Diplomatic Relations
The offer by King Carol of Rumania is also rejected by the belligerents.
[ | ]