CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins70% CONFIDENCEOverall confidence: 70%How well the pin's source and references back up its dates.Weighted average of how firmly 3 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 from 50% to 74% confidence
Release tables and anniversary pieces give September 13, 1985 for the Japanese Famicom release.[1]Super Mario Bros. went on sale in Japan for the Famicom on September 13, 1985; Nintendo gives October 18, 1985 for its North American release on the NES.
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