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.
16/03/2021: New 5 Rial Polymer Banknote Introduced
A new polymer banknote with a denomination of 5 rials was introduced, enhancing durability and security features 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.
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.
15/01/2003: New Omani Rial Banknotes Issued
New series of Omani rial banknotes were introduced, featuring enhanced security features and updated designs.
12/06/1994: Smaller Denomination Coins Issued
Small denomination coins, including 5, 10, 25, and 50 baisa coins, were issued in order to facilitate everyday transactions.
17/03/1986: 200 Baisa Coin Introduced
A new 200 baisa coin was introduced, becoming the highest denomination coin in circulation at that time.
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.
11/11/1975: 1/8 Rial Copper-Nickel Coin Introduced
A new 1/8 rial coin made of copper-nickel was introduced, representing a fractional value of the rial currency.
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.
02/03/1973: Rial Oman Pegged to US Dollar
The Omani rial was officially pegged to the United States dollar, with an exchange rate of 1 OMR = 2.895 USD.
27/07/1970: Rial Oman is Introduced
The Omani rial was introduced, replacing the Gulf rupee at a rate of 1 rial = 2.6008 rupees.