CHERNOBYL:
It was a nuclear accident in central Vladimir Ilyich Lenin, near the present-day Ukraine, 26 April 1986. Simulábase a test of a power outage, but there was a surge of power in one of the reactors that produced the overheating of the core of the nuclear reactor that ended causing the explosion of hydrogen accumulated inside.
One was experiencing the reactor to see if the energy of the turbines could generate enough electricity for the pumps cooling in case of failure. Thirty one people were died immediately and it caused the evacuation of 116,000 people causing an alarm to the international spread radioactivity over the country.
It had several consequences in animals and people.