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.
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).
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.
22/02/1996: Civil war ends
The Sierra Leonean Civil War comes to an end, providing an opportunity for economic stabilization and currency reform.
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.
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.
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.
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.
27/04/1961: Independence of Sierra Leone
Sierra Leone gains independence from the United Kingdom, introducing the Sierra Leonean leone as its official currency.
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.