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This Day In History: 03/28/1979 - Three Mile Island (1:03)

At 4 a.m. on this day, March 28, 1979, the worst accident in the history of the U.S. nuclear power industry begins when a pressure valve in the Unit-2 reactor at Three Mile Island fails to close.

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  • This Day In History: 03/28/1979 - Three Mile Island
    This Day In History: 03/28/1979 - Three Mile Island

    Video Clip (1:03)

    At 4 a.m. on this day, March 28, 1979, the worst accident in the history of the U.S. nuclear power industry begins when a pressure valve in the Unit-2 reactor at Three Mile Island fails to close.

    Video Clip (1:03)

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Read More about Three Mile Island

nuclear power station and the island on which it is situated, in the Susquehanna River near Harrisburg, Pennsylvania, U.S. The most serious accident in the history of the American nuclear power industry occurred there in 1979.

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