Ukraine 450,000 ethnic Germans from Ukraine and more than 200,000 Crimean Tatars were victims of forced deportations. Following the death of Stalin in 1953, Nikita Khrushchev became the new leader of the USSR. Having served as First Secretary of the Communist Party of Ukrainian SSR in 1938–49, Khrushchev was intimately familiar with the republic; after taking power union-wide, he began to emphasize "the friendship" between the Ukrainian and Russian nations. In 1954, the 300th anniversary of the Treaty of Pereyaslav was widely celebrated. Crimea was transferred from the Russian SFSR to the Ukrainian SSR. By 1950, the republic had fully surpassed
Nikita Khrushchev reelected to his post. Khrushchev related in his memoirs that he was also denounced by an arrested colleague. Stalin told Khrushchev of the accusation personally, looking him in the eye and awaiting his response. Khrushchev speculated in his memoirs that had Stalin doubted his reaction, he would have been categorized as an enemy of the people then and there. Nonetheless, Khrushchev became a candidate member of the Politburo on 14 January 1938 and a full member in March 1939. In late 1937, Stalin appointed Khrushchev as head of the Communist Party in Ukraine, and Khrushchev duly left Moscow for Kiev,