Ukraine ousted Khrushchev and became the Soviet leader from 1964 to 1982. Many prominent Soviet sports players, scientists, and artists came from Ukraine. On 26 April 1986, a reactor in the Chernobyl Nuclear Power Plant exploded, resulting in the Chernobyl disaster, the worst nuclear reactor accident in history. This was the only accident to receive the highest possible rating of 7 by the International Nuclear Event Scale, indicating a "major accident", until the Fukushima Daiichi nuclear disaster in March 2011. At the time of the accident, 7 million people lived in the contaminated territories, including 2.2 million in Ukraine. After the
Bahá'í Faith in Ukraine all contact was lost. Though Bahá'ís had managed to enter various countries of the Eastern Bloc through the 1950s, there is no known Bahá'í presence in Ukraine from this period, though the head of the religion at the time, Shoghi Effendi, included Ukraine in a list of places where no Bahá'ís pioneer had been yet in 1952 and again in 1953. There have been several Bahá'í converts from descendants of the Ukrainian diasporas. As early as 1954 Canadian Peter Pihichyn of Ukrainian descent translated Bahá'í literature into Ukrainian and by 1963 a Ukrainian Teaching Committee of the Bahá'í National Spiritual