Bank and Monument are interlinked London Underground and Docklands Light Railway stations that form a public transport complex spanning the length of King William Street in the City of London. Bank station, named after the Bank of England, opened in 1900 at Bank junction and is served by the Central, Northern and Waterloo & City lines, and the DLR. Monument station, named after the Monument to the Great Fire of London, opened in 1884 and is served by the District and Circle lines. The stations have been linked as an interchange since 1933.