Rize City Of Turkey for Paul Dresch, A History of Modern Yemen (Cambridge University Press, 2001); Tim Mackintosh-Smith and Martin Yeoman, Yemen: The Unknown Arabia (Overlook Press, 2001); Sarah Searight, Yemen: Land and People (Pallas Athene Publishers, 2002); CIA World Factbook (2002). CHRIS HOWELL RED ROCKS COLLEGE yen AS JAPAN’S OFFICIAL monetary unit since 1871, the yen (¥) has become one of the world’s most important currencies. Although Chinese coins had circulated in JAPAN earlier, the first recorded Japanese coins were minted in 708 C.E. Like their Chinese counterparts, these coins were round with a square hole in the center allowing them to be strung together for easy transport. In the more recent Tokugawa period (1600 1868), the shogun’s government minted gold, silver, and copper coins. The first recorded paper currency dates from around 1600, when a merchant in Ise issued paper notes to his customers. Rize City Of Turkey 2016.