1954 transfer of Crimea Ukraine inexorably to Russia, "Eternally Together", as a poster commemorating the event of 1954 proclaimed. The transfer was described by some of the Supreme Soviet as a gift to commemorate the 300th anniversary of the Treaty of Pereyaslav in 1654 when the Cossack Rada apparently decided to unify with Muscovy, putting in place the eventual acquisition of Ukraine by Russia. Other reasons given were the integration of the economies of Ukraine and Crimea and the idea that Crimea was a natural extension of the Ukrainian steppes. There was also a desire to repopulate parts of the Crimea which had suffered
Nikita Khrushchev unknown. The two soon separated, though Khrushchev helped Marusia in later years, especially when Marusia's daughter by a previous relationship suffered a fatal illness. Soon after the abortive marriage, Khrushchev met Nina Petrovna Kukharchuk, a well-educated Party organizer and daughter of well-to-do Ukrainian peasants. The two lived together as husband and wife for the rest of Khrushchev's life, though they did not register their marriage until 1965. They had three children together: daughter Rada was born in 1929, son Sergei in 1935 and daughter Elena in 1937. In mid-1925, Khrushchev was appointed Party secretary of the Petrovo-Marinsky "raikom", or district,