History of Nottingham again as air raid shelters during World War II. A section of the cave network under the Broadmarsh Shopping Centre is now open as a tourist attraction, and some parts are still used as pub cellars. Another section of the caves, under the castle, is still in regular use as the indoor rifle range of the Nottingham Rifle Club. In addition, Ye Olde Trip to Jerusalem Inn, a pub that claims to be the oldest in Britain, is partly built into the cave system below the castle and still retains access from the beer cellars to the castle through the
Irish pub title "oldest pub in Dublin". It was not until 1635 that the government required pubs to be licensed. Grace Neill's in Donaghadee, County Down, Northern Ireland, which became licensed in 1611, holds the title of "oldest licensed pub in Ireland". Irish pubs or public houses were the working man's alternative to the private drinking establishments frequented by those who could pay for entry. In 1735 the "Drink on Credit to Servants Act" was enacted stating that any publican who sold a drink on credit to servants, labourers or other low-wage earners had no right to seek help from the law