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.
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.
30/06/2015: Demonetization of old Guinean franc banknotes
The old series of Guinean franc banknotes, denominated in 'Syli,' ceased to be legal tender, and only the new franc banknotes remained in circulation.
26/09/2012: Introduction of new Guinean franc coins
New coins denominated in the Guinean franc were introduced, replacing the previously used Guinean syli coins.
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).
30/06/2010: Revaluation of the Guinean franc
The Guinean franc underwent a revaluation, with 1 new franc being equivalent to 10,000 old francs.
30/06/1997: Introduction of new Guinean franc
A new series of Guinean franc banknotes, denominated in 'Syli,' was introduced as a replacement for the previous currency.
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.
30/11/1985: Devaluation of the Guinean franc
The Guinean franc was devalued by 50%, leading to an economic crisis and high inflation.
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.
31/05/1971: Redenomination of the Guinean franc
The Guinean franc underwent a redenomination, with 1 new franc being equivalent to 10 old francs.
01/10/1959: Introduction of Guinean franc
The Guinean franc was introduced as the official currency of Guinea following its independence from France.
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.
01/04/1932: Introduction of the Iranian Rial
The Iranian Rial (IRR) was introduced as the official currency of Iran after replacing the Qiran.