ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins65% CONFIDENCEOverall confidence: 65%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
Wikipedia[3], the Henry Ford museum and Guinness World Records[2] all date the first Unimate installation to 1961, but none give a specific month or day.In 1961 General Motors installed the Unimate, the world's first industrial robot, at its New Jersey factory to lift and stack hot die-cast metal parts. Industry 4.0 opens its history of factory automation with this machine.
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