Penny Napoleonic Wars prompted the use of base metals in 1797. Despite the decimalization of currencies in the United States and, later, throughout the British Commonwealth, the name remains in informal use. No penny is currently formally subdivided, although farthings (¼ d.), halfpennies, and half cents have previously been minted and the mill (1/10¢) remains in use as a unit of account in some contexts. "Penny" is first attested in a 1394 Scots text, a variant of Old English ', a development of numerous variations including ', ', and '. The etymology of the term "penny" is uncertain, although cognates are
Old Quarter, Hanoi the Old Quarter is the ancient architecture of the commercial area. Most of the historic houses there are shophouses with slanted tile roofs, of which the side facing the street used to be used as entrance to the shop inside. Houses of this type were mostly built in the 18th and 19th centuries — before that most houses had thatched roofs. Since the end of the 20th century, the number of traditional houses have been dwindling in number. Many of the historic remnants of the Old Quarter have deteriorated and are in need of restoration. For the 1000th anniversary of