On the Eastern Front... During the night the Soviet summer offensive (Operation Bagration) opens with a massive artillery barrage and intensive bombing raids on rear areas of the German Army Group Center (Busch). This day marks the third anniversary of the invasion of the Soviet Union.

On the Western Front... After a preparatory air raid on Cherbourg, in which over 1000 tons of bombs are dropped, the divisions of the US 7th Corps (part of US 1st Army) begin assaulting the city of Cherbourg. There is heavy German resistance.

In the United States... President Roosevelt signs the "GI Bill" which introduces a range of benefits to be given to returned veterans.

In Occupied Denmark... Saboteurs damage a rifle manufacturing plant in Copenhagen.

In New Guinea... On Biak, American forces conduct a series of attacks which are believed to clear Japanese resistance in the west but experience renewed Japanese activity during the night. On the mainland, fighting continues near Aitape and Sarmi.

In the Mariana Islands... On Saipan, forces of the US 5th Amphibious Corps advance. The US 2nd Marine Division captures Mount Tipo Pole and fight for Mount Tapotchau. The US 4th Marine Division progresses east on the Kagman Peninsula.

In Burma... Elements of the British 2nd Indian Division link up with the 5th Indian Division at Milestone 107 on the Imphal-Kohima road. The siege of Imphal has been broken. Japanese forces experience heavy losses both due to combat and supply shortages.