01/01/2022: Removal of monarchy symbol
Brunei currency no longer featured the portrait of the Sultan as part of efforts to modernize the banknotes.
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.
21/07/2017: Commencement of New Series Polymer Banknotes
New series of polymer banknotes with modern designs entered circulation.
05/05/2013: Upgrade of polymer banknotes
Introduction of new polymer banknotes with enhanced security features.
01/07/2011: Introduction of Brunei-Indonesia Currency Agreement
Brunei dollar became interchangeable with Indonesian rupiah in specified regions.
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.
18/03/1996: Change in currency regime
Brunei dollar became fully backed by foreign exchange reserves instead of gold.
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.
12/06/1973: Establishment of Brunei Currency Board
Currency Board assumed responsibility for the issuance and management of Brunei dollar.
27/07/1967: Introduction of Brunei and Singapore Currency Interchangeability Agreement
Brunei and Singapore dollars became interchangeable at par.