01/01/2022: Currency Floatation
Angola transitioned from a fixed exchange rate to a floating exchange rate system, allowing the Kwanza's value to be determined by the market forces of supply and demand.
30/10/2020: Kwanza Devaluation
In response to economic challenges, Angola devalued the Kwanza by approximately 24%, increasing the exchange rate from 165 to 195 Kwanzas per US dollar.
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.
15/04/2013: Currency Redesign
Angola launched a new series of banknotes, featuring improved security features and new designs to reflect national landmarks and culture.
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).
08/11/1999: Return to Kwanza
Angola reintroduced the Kwanza as the official currency, replacing the Kwanza Reajustado, at a rate of 1,000 Kwanza Reajustado to 1 Kwanza.
18/02/1999: Introduction of Kwanza Reajustado
Kwanza Reajustado was introduced as a temporary currency, with 1 Kwanza Reajustado equal to 1,000 regular Kwanzas.
31/03/1990: Kwanza Revaluation
In an attempt to combat hyperinflation, the government redenominated the currency, with 1 new Kwanza equal to 1,000 old Kwanzas.
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.
08/01/1977: Introduction of the Kwanza
Angola introduced the first Kwanza currency, replacing the Portuguese Escudo, with 1 Kwanza equal to 1 Escudo.
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.
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.