02/03/2020: COVID-19 impact
                 The outbreak of the COVID-19 pandemic resulted in economic disruptions, affecting the Ukrainian Hryvnia and causing volatility in the currency markets.
                 05/02/2015: Currency devaluation
                 Due to the economic crisis, the Ukrainian Hryvnia experienced a significant devaluation, leading to a sharp increase in prices and financial hardships.
                 20/02/2014: Ukrainian revolution
                 The Ukrainian revolution began, leading to political instability and economic challenges, impacting the value and stability of the Ukrainian Hryvnia.
                 20/11/2009: Resumption of issuing Córdoba coins
                 The Central Bank resumed issuing córdoba coins, reintroducing denominations of 10, 25, and 50 centavos, and 1 córdoba.
                 01/07/2008: Exchange rate flexibility
                 Ukraine implemented a flexible exchange rate system, allowing the Ukrainian Hryvnia to fluctuate based on market forces rather than being pegged to a fixed rate.
                 01/10/2004: Banknote redesign
                 New banknotes of the Ukrainian Hryvnia were issued with enhanced security features and updated designs, aimed at combating counterfeiting.
                 01/01/2001: Dollarization
                 Nicaragua adopted the US dollar as its official currency, effectively ending the era of the Nicaraguan córdoba as the national currency.
                 02/09/1996: Currency reform
                 A currency reform was conducted, introducing new banknotes and coins of the Ukrainian Hryvnia, addressing issues of inflation and stabilization.
                 02/09/1992: Introduction of the Ukrainian Hryvnia
                 The Ukrainian Hryvnia (UAH) was introduced as the national currency, replacing the Soviet ruble, marking Ukraine's economic independence.
                 04/07/1991: Currency control and unification
                 The government implemented currency control measures, unifying the exchange rate at 5 córdobas oro per US dollar.
                 25/04/1991: Córdoba Oro becomes legal tender
                 The Córdoba Oro was declared as the only legal tender in Nicaragua, replacing the old cordoba.
                 01/02/1988: Introduction of the Córdoba Oro Currencies
                 The government introduced the Córdoba Oro as a new currency, replacing the previous currency, with an initial rate of 1 córdoba oro = 1,000 córdobas.
                 01/03/1932: Córdoba de Oro established
                 The Córdoba de Oro was introduced, replacing the previous córdoba at a rate of 10,000 to 1.
                 20/10/1912: Introduction of the Nicaraguan córdoba
                 The Nicaraguan córdoba was introduced as the official currency of Nicaragua, replacing the peso at a rate of 12.5 córdobas per US dollar.