On the Eastern Front… Soviet forces capture Rakitino, a few miles beyond the 1939 Poland-USSR boundary.

In the Bismark Archipelago… On New Britain, the US 7th Marine Regiment extend their beachhead at Cape Gloucester southward to the Aogiri River.

In Burma… Brigadier General Merrill is designated to command a volunteer unit that becomes known as “Merrill's Marauders”.

From London… A joint RAF-USAAF statement discloses the hitherto secret development of jet aircraft in Britain and the USA. Full details of the Whittle turbojet given to General Arnold (USAAF) in July 1941 are revealed.