01/01/2020: Transition to Polymer Banknotes
Polymer banknotes were introduced in Guyana, enhancing the durability and security features of the Guyanese dollar.
27/04/2010: Adoption of new currency symbol
Sierra Leone adopts a new currency symbol for the leone (Le), representing its cultural heritage and national identity.
29/07/2003: Introduction of new leone notes
Sierra Leone introduces a new series of leone banknotes with enhanced security features to combat counterfeiting.
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.
22/02/1996: Civil war ends
The Sierra Leonean Civil War comes to an end, providing an opportunity for economic stabilization and currency reform.
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.
29/04/1980: Coup d'etat
A military coup takes place in Sierra Leone, leading to economic instability and a decline in the value of the leone.
15/07/1974: Redenomination of the leone
Sierra Leone redenominates its currency, replacing the old leone with a new leone at a ratio of 1:4.
04/11/1971: Introduction of decimal currency
Sierra Leone adopts a decimal currency system, replacing the pound with the leone as its new official currency.
26/05/1966: Independence of Guyana
Following Guyana's independence from Britain, the currency was renamed from British Guiana dollar to Guyanese dollar.
27/04/1961: Independence of Sierra Leone
Sierra Leone gains independence from the United Kingdom, introducing the Sierra Leonean leone as its official currency.
12/09/1951: Currency Board Established
A Currency Board was established to manage the British Guiana dollar, ensuring its stability and convertibility.
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.
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.