On 26 April 1986, a terrible incident took place in Chernobyl, Russia. The nuclear plant exploded during a test run. Chernobyl nuclear power plant 4 occurred in the reactor. The world awoke that morning to a terrible morning. The city was soon evacuated and returned to the ghost town. Watch the Chernobyl Series. While the Chernobyl nuclear power plant explosion affected surrounding countries, many people lost their lives due to radiation.