In the Palau Islands... American naval forces begin a preliminary bombardment of Peleliu and Angaur. Admiral Oldendorf is in command of the operation which involves 5 battleships, 9 cruisers and numerous destroyers. An escort carrier forces provides air support and minesweeping is carried out to clear the approach route to the islands.

In Italy... British 8th Army forces clear German forces from Coriano Ridge and continue attacking the remaining German positions on the Gemmano Ridge.

On the Western Front... In continuing attacks, the US 3rd Army (part of US 12th Army Group) captures Neufchateau.

On the Eastern Front... Forces of Soviet 2nd Belorussian Front capture Lomza on the Narew, west of Bialystok. 

In Occupied Poland... Soviet forces begin supply drops to the Polish Home Army (AK) forces engaging German forces in the Warsaw uprising. This action is taken in response to British and American pressure.

In Canada... The Octagon Conference continues. Churchill and Roosevelt and their staffs meet in Quebec to discuss strategy.