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.
31/12/2004: Return to the boliviano
Bolivia ended the dollarization period and officially reintroduced the boliviano as the sole legal tender of the country.
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.
31/12/2003: Dollarization crisis
Bolivia experienced a financial crisis, leading to the temporary dollarization of the economy and the use of the US dollar as legal tender.
31/03/1988: Bolivianoization
Bolivianoization was implemented, requiring all contracts and transactions to be conducted in bolivianos instead of foreign currencies.
28/02/1987: Introduction of the second boliviano
A new boliviano, known as the second boliviano (Boliviano de Segunda), was introduced to replace the heavily devalued first boliviano.
31/01/1986: Hyperinflation crisis
Bolivia experienced a severe hyperinflation crisis, leading to the devaluation of the boliviano.
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.
31/12/1962: Monetary reform
The boliviano underwent a monetary reform, with new banknotes and coins being issued.
31/12/1891: Introduction of Bolivian boliviano
The boliviano was introduced as the official currency of Bolivia, replacing the Bolivian peso.