CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins87% CONFIDENCEOverall confidence: 87%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 better32.3 years ago
Happened as dated, per the source[1]: "officially opened by Queen Elizabeth II accompanied by Prince Philip, Duke of Edinburgh, on 14 July 1994".Britain's Secret Intelligence Service (MI6) moved into its purpose-built Vauxhall Cross headquarters, ending decades of hiding in increasingly compromised office buildings.