May 9 is the 129th day of the year in the Gregorian calendar, and it is often associated with various historical events. For example, on this day in 1945, the Soviet Union officially declared victory over Nazi Germany, marking the end of World War II in Europe, a day celebrated as Victory Day in several countries. In addition to historical significance, May 9 is also recognized for various observances. It is celebrated as Europe Day, commemorating the Schuman Declaration of 1950, which laid the foundation for the European Union. This day promotes peace and unity among European nations.