Chernobyl disaster | Causes amp; Facts | Britannica
Nov 23, 2020#0183;#32;Chernobyl disaster, accident at the Chernobyl nuclear power station in the Soviet Union in 1986, the worst disaster in nuclear power generation history. Between 2 and 50 people were killed in the initial explosions, and dozens more contracted serious radiation sickness, some of whom later died.