were soon joined by the Podlaska Cavalry Brigade and together started to make their way towards Lwów and the Romanian Bridgehead. Under command of General Franciszek Kleeberg they formed the bulwark of the remaining Polish Army, fighting effectively against both the Wehrmacht and Red Army until the Battle of Kock, that ended on 6 October 1939. The Brest Fortress was handed over to the Soviets in accordance with the Molotov-Ribbentrop Pact. It was besieged and captured again by the Wehrmacht in the beginning of Operation Barbarossa conducted against Soviet Union in 1941. See also List of World War II military equipment of Poland List of German military equipment of World War II References External links Brzesc Litewski History of Brest, Belarus Brzesc Litewski Brzesc Litewski Polesie Voivodeship September 1939 events Western Belorussia (1918–1939) 1939 in Belarus