In the Mariana Islands… Troops of the US 3rd Amphibious Corps (Geiger) land on Guam. The 3rd Marine Division (Turnage) establishes a beachhead at Asan, west of Agana. The 1st Marine Division (Shephard) comes ashore at Agat. Eventually, 54,900 American troops are deployed. There is only moderate Japanese resistance on the beaches. Task Force 53 (Admiral Connolly) provides naval support with 6 battleships and 5 escort carriers. Three groups from Task Force 58 attack Japanese positions with carrier aircraft. The Japanese garrison numbers 19,000. The defense is based on the forces of the 29th Infantry Division (Takashima). General Obata, commanding the Japanese 31st Army, is present on the island.

In New Guinea… Japanese forces launch further attacks over the Driniumor River, near Aitape. American forces hold the offensive.

In Italy… The French Expeditionary Corps (part of US 5th Army) is withdrawn from the line. It is being redeployed as part of the preparation for the Allied invasion of southern France.

On the Eastern Front… The Soviet 3rd Baltic Front captures Ostrov in continuing attacks.

From Berlin… General Zeitzler resigns his post as Chief of the General Staff of OKH (the Army High Command, with responsibility for the Eastern Front). His replacement is General Guderian.

In the United States… The Bretton Woods conference continues.