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.
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.
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.
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.
22/02/1996: Civil war ends
The Sierra Leonean Civil War comes to an end, providing an opportunity for economic stabilization and currency reform.
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.
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.
08/01/1977: Introduction of the Kwanza
Angola introduced the first Kwanza currency, replacing the Portuguese Escudo, with 1 Kwanza equal to 1 Escudo.
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.