Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The ong (sign: ; code: VND) is the currency of Vietnam since May 3, 1978. It is issued by the State Bank of Vietnam. It has the symbol . It is subdivided into 10 hao. However, the hao is now worth so little that it is no longer issued. In 1946, North Vietnam's government introduced their own currency, the ong, which replaced the French Indochinese piastre at par. Two revaluations followed, in 1951 and 1958. The first was at a rate of 100:1, the second at a rate of 1000:1. Notes dual denominated in piastre and ong were issued in 1953 for the use in South Vietnam. On September 22, 1975, after the fall of Saigon, the currency in South Vietnam was changed to the "liberation" ong worth 500 old southern ong. After Vietnam was reunified, the ong was also unified, on May 3, 1978. 1 new ong = 1 northern ong = 0.8 southern "liberation" ong.

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