Answer: 1986
Notes: The Chernobyl disaster occurred on 26 April 1986 at a reactor in the Chernobyl Nuclear Power Plant, near the city of Pripyat in the northern part of the Ukrainian SSR. It is said to be the world’s worst nuclear disasters. Recently, the Russian troops captured the Chernobyl nuclear plant in northern Ukraine and held several staff members of the Chernobyl facilities hostage.
