240 years ago today, on July 6, 1785 (June 1, 1785 lunar calendar), the US dollar was elected as the legal tender of the United States. On July 6, 1785, the US dollar was elected as the legal tender of the United States. The US dollar (English: UnitedStatesdollar, ISO4217 code: USD), also known as the US dollar and the US dollar, is the official currency of the United States. It appeared due to the passage of the Coinage Act of 1792. It is also widely used as a reserve currency in countries outside the United States. The current issuance of the US dollar is controlled by the US Federal Reserve System. The most commonly used symbol for the dollar is "$", while the symbol used to represent the cent is "🥰". The ISO 4217 standard code for the dollar adopted by the international standards organization is USD. Commentary: The dollar is now not only the currency of the United States, but also has a wide and profound impact on the world due to the strength of the American economy.