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.
                 27/10/2008: Global Financial Crisis
                 The Korean Won faced significant volatility during the global financial crisis, as global markets tumbled and investor confidence wavered.
                 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.
                 01/01/1998: Establishment of IMF Program
                 South Korea agreed to an International Monetary Fund (IMF) bailout package, which stabilized the value of the Korean Won and initiated economic reforms.
                 03/12/1997: Asian Financial Crisis
                 The Korean Won experienced a sharp depreciation during the Asian Financial Crisis, causing severe economic hardships and requiring international assistance.
                 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.
                 27/02/1980: Declaration of Martial Law
                 Amidst political turmoil, President Chun Doo-hwan declared martial law, causing economic instability and impacting the value of the Korean Won.
                 22/06/1962: Introduction of the Hwan
                 To combat inflation, the South Korean government introduced the Hwan as the new currency, replacing the old Korean Won.
                 27/07/1953: Armistice Agreement
                 Following the Korean War, the Armistice Agreement was signed, stabilizing the region and aiding in the recovery of the Korean Won.
                 15/08/1945: Liberation from Japanese Rule
                 Upon the end of Japanese colonial rule, the Korean Won was introduced as the official currency of South Korea.