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.
18/05/2005: Removal of Ten Hong Kong Dollars Note
The Hong Kong Monetary Authority announced the removal of the HKD 10 paper note from circulation, encouraging the usage of electronic payment methods and reducing printing costs.
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.
01/07/1997: Hong Kong's Handover to China
Hong Kong was officially handed over to China, marking the end of British colonial rule but maintaining the Hong Kong Dollar as its currency under the 'one country, two systems' principle.
17/10/1991: Linked Exchange Rate System
The Linked Exchange Rate System (LERS) was implemented, establishing a narrow trading range of HKD 7.75 to 7.85 against the U.S. Dollar, backed by stringent measures to maintain stability.
31/12/1983: Joint Declaration on the Future of Hong Kong
The Sino-British Joint Declaration was signed, affirming Hong Kong's return to China in 1997 and ensuring the continuity of the Hong Kong Dollar as its official currency.
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.
22/05/1972: Pegging to the U.S. Dollar
As the British Pound faced pressures in the foreign exchange market, Hong Kong decided to switch the peg to the U.S. Dollar at a rate of HKD 5.65 to USD 1.
12/09/1935: Pegging to the Sterling
The Hong Kong Dollar was pegged to the British Pound (Sterling) at a fixed exchange rate of HKD 16 to GBP 1, which helped stabilize the currency.
01/01/1863: Introduction of the Hong Kong Dollar
The Hong Kong Dollar was first introduced as an official currency by the British colonial government to facilitate trade and commerce in Hong Kong.