Modern history of Ukraine local elite. Many members of the Soviet leadership came from Ukraine, most notably Nikita Khrushchev and Leonid Brezhnev a Soviet leader from 1964 to 1982, as well as many prominent Soviet sportsmen, scientists and artists. In 1954, the Russian-populated oblast of Crimea was transferred from the Russian to the Ukrainian Soviet Republic. However, the relatively underdeveloped industrial branches such as coal- and iron ore mining, metallurgy, chemical and energy industry dominated the republic's economy. Once a Cossack steppe, the southern oblasts of Dnipropetrovsk and Zaporizhzhia were turned into a highly industrialised area with rapidly increasing impact on its environment and
Nikita Khrushchev rise in honor of the communist leaders who had died since the last congress, whom he named, equating Stalin with Klement Gottwald and the little-known Kyuichi Tokuda. In the early morning hours of 25 February, Khrushchev delivered what became known as the "Secret Speech" to a closed session of the Congress limited to Soviet delegates. In four hours, he demolished Stalin's reputation. Khrushchev noted in his memoirs that the "congress listened to me in silence. As the saying goes, you could have heard a pin drop. It was all so sudden and unexpected." Khrushchev told the delegates: The Secret Speech,