Nuclear Reactors 324 - There May Have Been A Nuclear Fission Reaction At Chernobyl In 1986
In 1986 near the Ukrainian town of Pripyat in northeastern Ukraine at the Chernobyl nuclear power plant, there was a major nuclear accident. Safety systems had been turned off in order to carry out a test of emergency cooling systems. A number of such tests had been carried out in previous years and the systems failed to perform as expected.