Stalingrad: Red Army launches Operation Ring – series of co-ordinated attacks from northwest and south (by Don Front), and from the east (by Stalingrad Front). By January 25, German 6th Army is split into two groups or ‘pockets’.
Pacific: Giant US submarine Argonaut lost off New Guinea.
France: Milice Nationale (secret police force) created in Vichy France headed by Joseph Darnand, one of the heroes of Forbach Wood Incident. (See February 8, 1940.)