01/01/2020: Transition to Polymer Banknotes
Polymer banknotes were introduced in Guyana, enhancing the durability and security features of the Guyanese dollar.
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.
03/02/2003: Redenomination of the Currency
The Guyanese dollar underwent a redenomination, with old banknotes replaced by new notes at a rate of 1,000 old dollars to 1 new dollar.
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.
05/10/1992: Resumption of Banking System
The resumption of the banking system in Guyana significantly improved the stability and accessibility of the Guyanese dollar.
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.
26/05/1966: Independence of Guyana
Following Guyana's independence from Britain, the currency was renamed from British Guiana dollar to Guyanese dollar.
12/09/1951: Currency Board Established
A Currency Board was established to manage the British Guiana dollar, ensuring its stability and convertibility.
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.
06/08/1917: Currency Act of 1917
The British Guiana dollar was revalued at a rate of 4.80 dollars to 1 U.S. dollar, following the Currency Act of 1917.
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.
18/01/1839: Introduction of the British Guiana dollar
British Guiana dollar introduced as the official currency of British Guiana, replacing the Spanish and Portuguese coins previously in circulation.