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 urban area of the city. These 36 streets are not all located inside the Old Quarter proper, though. The official extent of the Hanoi Old Quarter has been fixed by a 1995 decision from the Vietnamese Ministry of Construction: in the north it is limited by Hàng Đậu street, in the west by Phùng Hưng street, in the south by Hàng Bông street, Hàng Gai street, Cầu Gỗ street, and Hàng Thùng street, and in the east by Trần Quang Khải street and Trần Nhật Duật street. Several of the streets that were part of the historic urban area of