The most popular and safe currency is United States dollar.
The most popular and safe currency is United States dollar. By the way a number of countries such as Canada, Australia, Trinidad and Tobago and 30 more countries gave that proud name “dollar” to their national currency.
The official currency of the US was colored green in 1849 by our compatriot Khachatour Serobian. The birthday of the currency is on 6th July of 1786.
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