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
Penny (Canadian coin) milled dollars. In Canadian French, the penny is often known by the loanword "cent"; in contrast with the heteronymous word meaning "hundred" (), this keeps the English pronunciation . Slang terms include , , or (black penny), although common Quebec French usage is . Production of the penny ceased in May 2012, and the Royal Canadian Mint ceased the distribution of them as of February 4, 2013. However, like all discontinued currency in the Canadian monetary system, the coin remains legal tender. Once distribution of the coin ceased, though, vendors were no longer expected to return pennies as change for