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.
15/10/2006: New series of banknotes
Costa Rica introduced a new series of banknotes featuring enhanced security features to combat counterfeiting and modernize the colón currency.
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.
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.
21/05/1991: Free-floating exchange rate
Costa Rica transitioned to a floating exchange rate regime, allowing the colón's value to be determined by market forces.
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.
09/11/1961: Introduction of the Monetary Reform
Costa Rica implemented a monetary reform, replacing the old colón with a new one at a rate of 1 to 100, to combat inflation.
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.
30/11/1949: Abolition of the army
After the abolition of the army, the Costa Rican government focused on economic development, leading to stable monetary policies for the colón.
14/10/1923: Hyperinflation
Bulgaria experienced severe hyperinflation, causing the value of the Lev currency to plummet during the period from 1923 to 1924.
14/12/1917: Establishment of the Central Bank of Costa Rica
The Central Bank of Costa Rica was established to oversee monetary policy, including the management of the colón.
09/04/1896: Adoption of the gold standard
Costa Rica adopted the gold standard, pegging the value of the colón to gold, leading to currency stability.
01/04/1881: Introduction of the Lev
The Bulgarian Lev currency was introduced as the official currency of Bulgaria on April 1, 1881.
18/03/1850: Introduction of the Costa Rican colón
The Costa Rican colón was officially introduced as the currency of Costa Rica to replace the Spanish real.