[["3 Mile Island, site of a nuclear power plant in south central PA. 3-28-1979, a series of mechanical & human errors at the plant caused the worst commercial nuclear accident in U.S. history. It resulted in a partial meltdown, releasing dangerous radioactive gasses into the atmosphere. Per History.com", 48.0], ["March 28, 1979.", 21.0], ["March 28, 1979", 7.0], ["The Three Mile Island incident occurred on March 28, 1979.", 6.0], ["It happened on March 28, 1979.", 3.0]]
when was the three mile island incident
history