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 Old Quarter, Hanoi The Old Quarter () is the name commonly given to that part of Hanoi that has been in existence since imperial times and which used to be located outside the Imperial Citadel of Thăng Long. This quarter used to be a residential, manufacturing, and commercial center, where each street was specialized in one specific type of manufacturing or commerce. Nowadays, the quarter is an attraction for people interested in the history of Hanoi. Another common name referring to approximately the same area is the 36 streets (), after the 36 streets that used to make up the