23/02/2020: COVID-19 Pandemic's Impact on the Iranian Rial
The COVID-19 pandemic, along with economic challenges, caused further depreciation of the Iranian Rial (IRR) against major currencies.
01/01/2020: Transition to Polymer Banknotes
Polymer banknotes were introduced in Guyana, enhancing the durability and security features of the Guyanese dollar.
10/04/2018: Revaluation of the Iranian Rial
Iran's government announced a new currency exchange rate, devaluing the Iranian Rial (IRR) against foreign currencies.
24/09/2012: Imposition of International Sanctions on Iran
International sanctions were imposed on Iran, leading to a significant decline in the value of the Iranian Rial (IRR).
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.
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.
24/05/1989: Introduction of the Two-Tier Exchange Rate System
Iran implemented a two-tier exchange rate system, with different rates for essential goods and non-essential imports.
26/10/1975: Floating of the Iranian Rial
The Iranian Rial (IRR) was allowed to float against foreign currencies, marking the end of the fixed exchange rate system.
26/05/1966: Independence of Guyana
Following Guyana's independence from Britain, the currency was renamed from British Guiana dollar to Guyanese dollar.
01/09/1957: Decimalization of the Iranian Rial
The Iranian Rial (IRR) was decimalized, dividing one Toman into 10 Rials to simplify the currency system.
12/09/1951: Currency Board Established
A Currency Board was established to manage the British Guiana dollar, ensuring its stability and convertibility.
01/04/1932: Introduction of the Iranian Rial
The Iranian Rial (IRR) was introduced as the official currency of Iran after replacing the Qiran.
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.