03/03/2020: COVID-19 Pandemic Impact
                 The COVID-19 pandemic caused significant fluctuations in the value of the Polish Zloty, influenced by global economic uncertainties and shocks to foreign trade.
                 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.
                 17/11/2014: National Bank of Poland Intervention
                 The National Bank of Poland intervened in the currency market to weaken the Polish Zloty, aiming to stimulate exports and counter deflationary pressures.
                 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.
                 01/04/2011: Poland Joins the ERM II
                 Poland's participation in the European Exchange Rate Mechanism II aimed to facilitate converging towards the Euro and maintaining stability for the Polish Zloty.
                 27/10/2008: Global Financial Crisis
                 The global financial crisis had repercussions on the Polish Zloty, with the currency experiencing devaluation and higher volatility due to market uncertainty.
                 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.
                 01/05/2004: Poland's EU Accession
                 Poland's accession to the European Union had a profound impact on the Polish Zloty, as it became subject to EU regulations and influenced by the Eurozone.
                 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.
                 04/06/1989: Fall of Communism in Poland
                 The end of communist rule in Poland led to significant economic and currency reforms, including a stabilization program that strengthened the Polish Zloty.
                 01/01/1950: Introduction of the Polish Zloty
                 The Polish Zloty was introduced as the official currency of Poland, replacing the old Polish currency. It played a crucial role in rebuilding the post-war economy.