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 4 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 better9.1 years ago
The B1M’s article (published 10 January 2018) already described the building as recently opened, and independent design press dated the official opening precisely. Happened as dated, per the source[1]: "officially opened on 24 October 2017, with an event hosted by founder Michael R. Bloomberg".Foster + Partners’ new Bloomberg European headquarters in the City of London opened with the highest BREEAM sustainability score ever awarded to a major office building.
≈$1.3B