The surrender of Lwów to the Red Army. The Soviets guaranteed Polish Army officers "personal freedom and inviolability of their personal property", as well as the possibility of going abroad. These were all empty promises. Most of the officers, defenders of Lwów, found themselves in the camp in Starobielsk, and then they were murdered in Kharkiv.
The German-Soviet parade in Brest-on-the-Bug before Gen. Heinz Gurderian and Commanding officer of a Soviet armoured brigade, Semyon Krivoshein. The city and the fortress are handed over to the Soviets.