Belgorod occupied Belgorod from 25 October 1941 to 9 February 1943. The Germans re-captured it on 18 March 1943 in the final move of the Third Battle of Kharkov. On 12 July 1943, during the Battle of Kursk, the largest tank battle in world history took place near Prokhorovka, and Red Army definitively retook the city on 5/6 August 1943. The Belgorod Diorama is one of the World War II monuments commemorating the event. In 1954 the city became the administrative center of Belgorod Oblast. From this time the rapid development of the city as a regional center began. Belgorod is
Bombing of Friedrichshafen in World War II and the "Zahnradfabrik Friedrichshafen" (literally "gearwheel factory Friedrichshafen") tank gearbox factory. In February 1944 an underground factory at Immenstaad near Friedrichshafen was suspected to be a synthetic oil and/or liquid oxygen plant. Near Überlingen, forced labor of KZ-Häftlinge im Goldbacher Stollen, KZ Nebenlager Raderach and the Aufkirch subcamp of Dachau concentration camp was used for constructing an underground facility for armament manufacturing (code name "Magnesit") safe from Allied air raids. Bombing of Friedrichshafen in World War II The German city of Friedrichshafen was bombed during World War II as part of the Allied strategic bombing campaign against German war materiel