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.
06/05/2015: Pegged to the euro
The Bulgarian Lev officially became a currency pegged to the euro, maintaining a fixed exchange rate, on May 6, 2015.
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.
01/01/2002: Replacement of notes and coins
New series of notes and coins for the Bulgarian Lev were introduced, replacing the previous designs on January 1, 2002.
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.
01/07/1999: Currency board arrangement
Bulgaria implemented a currency board arrangement, fixing the Bulgarian Lev to the euro at a rate of 1.95583 on July 1, 1999.
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.
08/01/1977: Introduction of the Kwanza
Angola introduced the first Kwanza currency, replacing the Portuguese Escudo, with 1 Kwanza equal to 1 Escudo.
15/09/1962: Introduction of the New Lev
The New Lev was introduced as a new currency in Bulgaria, replacing the Lev A, on September 15, 1962.
01/12/1952: Lev replaced by Lev A
The Bulgarian Lev was replaced by a new currency named Lev A on December 1, 1952 as a result of currency reform.
14/10/1923: Hyperinflation
Bulgaria experienced severe hyperinflation, causing the value of the Lev currency to plummet during the period from 1923 to 1924.
01/04/1881: Introduction of the Lev
The Bulgarian Lev currency was introduced as the official currency of Bulgaria on April 1, 1881.