Scan of a slide taken November 1990; The station opened in 1990 to replace Holborn Viaduct railway station. as part of the Thameslink project that re-opened the Snow Hill Tunnel to provide a continuous north-south route across London. The statin was originally named St. Paul's Thameslink, but to avoid confusion with the nearby St. Paul's tube station on the Central line, it was renamed City Thameslink in 1991.