US
Dollar
While foreign travel can be a fun and exciting experience, as well as educational, there are a
few things that one must prepare for in advance in order to have a stress-free and enjoyable trip.
One of the most important things to get in order before you travel to any foreign country is to
ensure that you are familiar with the country’s local currency, how it works, and the exchange rates between the
foreign country’s currency and that of your home country. The most highly traded form of currency in the foreign
exchange market is the United States dollar.
In addition to being the most highly traded form of currency, it is also the
official currency of the United States of America. The US dollar uses the dollar sign ($) as
an abbreviation, or as US$ or USD, when distinguishing it from other currencies that use the dollar sign to
represent their currency. The US dollar is divided into 100 cents, or ¢.
The Coinage Act of 1792 resulted in the creation and definition of the first US dollar. It
stated that a dollar would be based in the Mexican peso at a dollar per peso. It specified that a dollar would be
between 371 and 416 grains of silver (about 27 grams). Another form of currency, the eagle, was to be between 247
and 270 grains (17 grams) of gold.
The current custom for decorating both US dollar bills and coins is to feature a particular
president on a particular denomination. For example, former president George Washington appears on all one-dollar
bills. However, this custom did not begin until after the early 20th century.

Prior to this, the “heads” side of coins used profiles and striding, seated, and standing
figures from well known Greek and Roman mythology, as well as Native Americans. The dime and the dollar were the
last two to be converted to featuring historic presidents, in 1946 and 1971, respectively.
Beginning in 2002, shortly after the eurozone euro was introduced, the US dollar began to
steadily depreciate in value. This depreciation continued until 2005, reflecting a widening current account
deficit. In 2008, the Federal Reserve lowered interest rates in response to the fallout from the subprime mortgage
crisis, which sent the euro to a record high of $1.6038.
However, the US dollar remains the most frequently used form of currency in international
transactions (hence the need to frequently convert dollars to pounds) and is one of the world’s reserve currencies.
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