Changes

'''Currency''' is a unit of [[money]] that facilitates the purchase of [[goods]] or [[services]].  Each modern [[nation]] has one currency, such as the [[dollar (U.S.)|U.S. dollar]] in the [[United States]], the [[pound sterling]] in [[The United Kingdom]], and the [[Euro]] in several countries across [[Europe]].

'''Currency''' is a unit of [[money]] that facilitates the purchase of [[goods]] or [[services]].  Each modern [[nation]] has one currency, such as the [[dollar (U.S.)|U.S. dollar]] in the [[United States]], the [[pound sterling]] in [[The United Kingdom]], and the [[Euro]] in several countries across [[Europe]].

More specifically, currency is something (as coins, treasury notes, and banknotes) that is in circulation as a medium of exchange, paper money in circulation, or a common article for bartering. <ref>http://www.m-w.com/cgi-bin/dictionary?va=currency</ref>

More specifically, currency is something (as coins, treasury notes, and banknotes) that is in circulation as a medium of exchange, paper money in circulation, or a common article for bartering.<ref>http://www.m-w.com/cgi-bin/dictionary?va=currency</ref>

The [[Technological Development|invention]] of currency allowed civilization to advance beyond the barter system.

The [[Technological Development|invention]] of currency allowed civilization to advance beyond the barter system.

==United States==

==United States==

The denominations of currency produced in the United States are $1, $2, $5, $10, $20, $50, and $100. Larger denominations used be produced, including a $100,000 bill, featuring a portrait of [[Woodrow Wilson]], that was produced at one time. In 1969, President [[Richard Nixon]] issued an [[executive order]] withdrawing bills larger than $100 from circulation "to make life harder for the mafia". <ref>http://www.thehindubusinessline.com/2007/01/13/stories/2007011300280800.htm</ref>

The denominations of currency produced in the United States are $1, $2, $5, $10, $20, $50, and $100. Larger denominations used be produced, including a $100,000 bill, featuring a portrait of [[Woodrow Wilson]], that was produced at one time. In 1969, President [[Richard Nixon]] issued an [[executive order]] withdrawing bills larger than $100 from circulation "to make life harder for the mafia".<ref>http://www.thehindubusinessline.com/2007/01/13/stories/2007011300280800.htm</ref>

==Euro Zone==

==Euro Zone==

== Australia ==

== Australia ==

[[Australia]] converted to decimal currency on the 14^th February 1966<ref name="TAc">[http://www.dfat.gov.au/facts/currency.html The Australian currency] Australian Government, Department of Foreign Affairs and Trade</ref>, issuing  

[[Australia]] converted to decimal currency on the 14th February 1966,<ref name="TAc">[http://www.dfat.gov.au/facts/currency.html The Australian currency] Australian Government, Department of Foreign Affairs and Trade</ref> issuing  

1c, 2c, 5c, 10c, 20c, and 50c coins, and $1, $2, $10, and $20 notes.

1c, 2c, 5c, 10c, 20c, and 50c coins, and $1, $2, $10, and $20 notes.

The $5 note was added the following year,<ref>[http://www.rba.gov.au/Museum/Displays/1960_1988_rba_and_reform_of_the_currency/australias_first_decimal_currency_notes.html#top The Reserve Bank and Reform of the Currency: 1960–1988&mdash;Australia's First Decimal Currency Notes], Museum of Australian Currency Notes.</ref> and $50 and $100 notes were added in 1973 and 1984 respectively.<ref name="inflation" />

The $5 note was added the following year,<ref>[http://www.rba.gov.au/Museum/Displays/1960_1988_rba_and_reform_of_the_currency/australias_first_decimal_currency_notes.html#top The Reserve Bank and Reform of the Currency: 1960–1988&mdash;Australia's First Decimal Currency Notes], Museum of Australian Currency Notes.</ref> and $50 and $100 notes were added in 1973 and 1984 respectively.<ref name="inflation" />

The 5c coin is now the smallest denomination of Australian currency.

The 5c coin is now the smallest denomination of Australian currency.

From 1992 to 1996<ref>[http://www.rba.gov.au/Museum/Displays/1988_onwards_polymer_currency_notes/complete_series.html#top A New Era – Polymer Currency Notes: 1988 Onwards&mdash;A Complete Series of Polymer Notes], Museum of Australian Currency Notes.</ref>, Australia switched to using [[polymer]] (plastic) notes, the first country in the world to do so.<ref name="TAc" />

From 1992 to 1996,<ref>[http://www.rba.gov.au/Museum/Displays/1988_onwards_polymer_currency_notes/complete_series.html#top A New Era – Polymer Currency Notes: 1988 Onwards&mdash;A Complete Series of Polymer Notes], Museum of Australian Currency Notes.</ref> Australia switched to using [[polymer]] (plastic) notes, the first country in the world to do so.<ref name="TAc" />

Australia's colourful notes incorporate a range of security features, including embossing, raised print, a clear window, and fluorescent ink.<ref>[http://www.rba.gov.au/CurrencyNotes/SecurityFeaturesAndCounterfeitDetection/security_features_on_australias_notes.html Security Features on Australia's Notes], Reserve Bank of Australia</ref>

Australia's colourful notes incorporate a range of security features, including embossing, raised print, a clear window, and fluorescent ink.<ref>[http://www.rba.gov.au/CurrencyNotes/SecurityFeaturesAndCounterfeitDetection/security_features_on_australias_notes.html Security Features on Australia's Notes], Reserve Bank of Australia</ref>