In New Guinea… On Biak Island, as well as Arare on the mainland, the American beachheads are heavily attacked by Japanese forces. The Japanese garrison on Biak makes use of tanks to force the US 162nd Regiment back towards its landing zone.
In the North Atlantic… The American escort carrier Block Island and a destroyer are sunk by U-549 before it is itself sunk.
Over Germany… About 400 American bombers attack German synthetic fuel works and oil refineries at Polits and other locations. The damage caused sets back aircraft fuel production.
In Berlin… In a presentation to Hitler, Field Marshal Busch, commanding German Army Group Center on the Eastern Front, presents evidence of a major Soviet buildup along his lines. Hitler emphasizes the need to improve the defensive fortifications at Vitebsk, Polotsk, Rosh, Mogilev and Bobriusk and to defend the area at all costs.
In Italy… At Anzio, the British and American troops of the US 6th Corps take Campoleone and Carroceto. The Canadian 1st Corps begins to advance up Route 6 from Caprano toward Frosinone.