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
Asian Monetary Unit Asian Monetary Unit The Asian Monetary Unit (AMU) is a basket of currencies proposed by the Japanese government's Research Institute of Economy, Trade and Industry (RIETI). It is similar to the European Currency Unit (ECU), predecessor to the euro. The Asian Monetary Unit, which has been created as the joint project of 21st century COE project of Hitotsubashi University and RIETI, is a common currency basket composed of 13 East Asian currencies, such as ASEAN 10 plus Japan, China and South Korea. These data have been published on the website of RIETI since September 2005. After 4 years passed, a