01/01/2022: Planned Introduction of New Banknotes
Mauritania plans to introduce a new series of banknotes with modern security features and improved durability to enhance the overall quality and functionality of the currency.
01/07/2020: Replacement of Commemorative Banknote
A new 20,000 MRO commemorative banknote was issued to mark the 60th anniversary of independence, replacing the older version. It showcases significant historical landmarks and figures.
01/10/2018: New Banknotes and Coins
Mauritania introduced a new series of banknotes and coins denominated in Ouguiya, featuring enhanced security features and updated designs to combat counterfeiting.
01/01/2018: Floating of the Ouguiya
The Mauritanian Ouguiya transitioned from a fixed exchange rate regime to a floating exchange rate system. The currency's value is now determined by market forces within a managed float.
20/11/2009: Resumption of issuing Córdoba coins
The Central Bank resumed issuing córdoba coins, reintroducing denominations of 10, 25, and 50 centavos, and 1 córdoba.
01/05/2004: Redenomination of the Ouguiya
The Mauritanian Ouguiya underwent a redenomination, where 1 new MRO was equivalent to 10 old MRO. This measure aimed to simplify transactions and improve economic stability.
01/01/2001: Dollarization
Nicaragua adopted the US dollar as its official currency, effectively ending the era of the Nicaraguan córdoba as the national currency.
04/07/1991: Currency control and unification
The government implemented currency control measures, unifying the exchange rate at 5 córdobas oro per US dollar.
25/04/1991: Córdoba Oro becomes legal tender
The Córdoba Oro was declared as the only legal tender in Nicaragua, replacing the old cordoba.
01/02/1988: Introduction of the Córdoba Oro Currencies
The government introduced the Córdoba Oro as a new currency, replacing the previous currency, with an initial rate of 1 córdoba oro = 1,000 córdobas.
01/06/1978: Decentralization of Currency Issuance
The Central Bank of Mauritania granted the Banque Centrale de Mauritanie (BCM) the authority to issue and control the Mauritanian Ouguiya, decentralizing currency issuance.
01/11/1973: Introduction of the Mauritanian Ouguiya
The Mauritanian Ouguiya (MRO) was introduced as the official currency of Mauritania, replacing the CFA franc. It was initially pegged to the French franc at a rate of 1 MRO = 5.5 FRF.
01/03/1932: Córdoba de Oro established
The Córdoba de Oro was introduced, replacing the previous córdoba at a rate of 10,000 to 1.
20/10/1912: Introduction of the Nicaraguan córdoba
The Nicaraguan córdoba was introduced as the official currency of Nicaragua, replacing the peso at a rate of 12.5 córdobas per US dollar.