CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins90% CONFIDENCEOverall confidence: 90%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 at 75% confidence or betterHappened as dated, per the source[1]: "Otis Completes Elevator Modernization for Empire State Building, Delivers Custom Glass Mast Car" (press release dated October 14, 2019).
Otis finished a roughly decade-long modernisation of all 68 elevators in New York's Empire State Building, capped by a custom glass car serving the 102nd-floor observatory.