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 area of the city. The Lê dynasty period saw an additional influx of Chinese immigrants who arrived to trade, creating several Chinese neighbourhoods.. When the French ruled over Vietnam, they partially rebuilt the area. This period saw many French and Indians settling there to conduct business. Two small markets were demolished to make place for Đồng Xuân Market. Furthermore a tramway was constructed through the quarter. The area is still the commercial heart of Hanoi. The most famous trait of the Old Quarter are its areas dedicated to one specific trade or guild. Craftsmen from villages around the city used