Three Mile Island, 2625 River Road, Londonderry Township, Pennsylvania, United States
CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins95% CONFIDENCEOverall confidence: 95%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
The cited source explicitly dates this event; the pin records the stated calendar day.[1]Three Mile Island’s second reactor enters commercial service, less than three months before its 1979 accident.
$700M
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