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
Religion in Ukraine Ukraine. Muslims are mostly concentrated in Donbass, where they make up 6.0% of the population. In the same year, there are 229 registered Islamic organizations. In Crimea, which in 2014 was annexed by Russia, Crimean Tatar Muslims make up to 15% of the population. A major part of the south steppes of modern Ukraine at a certain period of time were inhabited by Turkic peoples, most of whom were Muslims since the fall of the Khazar Khanate. The Crimean Tatars are the only indigenous Muslim ethnic group in the country. The Nogays, another Muslim group who lived in the steppes