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
Vatican City in World War II Vatican City in World War II Vatican City pursued a policy of neutrality during World War II, under the leadership of Pope Pius XII. Although the city of Rome was occupied by Germany from 1943 and the Allies from 1944, Vatican City itself was not occupied. The Vatican organised extensive humanitarian aid throughout the duration of the conflict. The Lateran Treaty of 1929 with Italy recognized the sovereignty of Vatican City. It declared Vatican City a neutral country in international relations, and required the Pope to abstain from mediation unless requested by all parties. In 1939, the city state was