There is a catastrophic nuclear accident that was called Chernobyl disaster.
== Chernobyl nuclear reactor disaster ==On 26 April 1986, one of the reactors at the Chernobyl Nuclear Power Plant exploded after unsanctioned experiments on the reactor by plant operators were done improperly
 In the PolishSoviet War of 191920, Chernobyl was taken first by the Polish Army and then by the cavalry of the Red Army

