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.
                 25/02/2020: Introduction of New Large Denomination Banknotes
                 Uzbekistan introduced new 100,000 and 200,000 som banknotes to meet the requirements of the growing economy and reduce cash circulation.
                 08/02/2019: Exchange Rate Unification
                 Uzbekistan unified the official and black-market exchange rates, allowing for more transparency in currency transactions.
                 03/09/2018: Denomination of Uzbekistani Som
                 Uzbekistan announced a 1:10,000 denomination of the som, as part of ongoing currency reform.
                 05/09/2017: Floating Exchange Rate Regime
                 Uzbekistan transitioned to a floating exchange rate regime, allowing the Uzbekistani Som's value to be determined by market forces.
                 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.
                 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.
                 10/03/2001: Introduction of New Uzbekistani Som
                 Uzbekistan introduced a new som, with 1 new som equaling 1,000 old soms, as a result of currency reform.
                 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.
                 01/07/1994: Redenomination of Uzbekistani Som
                 Uzbekistan redenominated its currency, with 1 new som replacing 1,000 old soms to combat hyperinflation.
                 01/07/1993: Introduction of Uzbekistani Som
                 Uzbekistani Som (UZS) was introduced as the official currency of Uzbekistan after the country gained independence from the Soviet Union.
                 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.