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 was tampered with after the war. In later years, Leonid Khrushchev's wingmate stated that he saw his plane disintegrate, but did not report it. Khrushchev biographer Taubman speculates that this omission was most likely to avoid the possibility of being seen as complicit in the death of the son of a Politburo member. In mid-1943, Leonid's wife, Liuba Khrushcheva, was arrested on accusations of spying and sentenced to five years in a labor camp, and her son (by another relationship), Tolya, was placed in a series of orphanages. Leonid's daughter, Yulia, was raised by Nikita Khrushchev and his wife. After