May 30 is the 150th day of the year in the Gregorian calendar, with 215 days remaining until the end of the year. It is often associated with various observances and events, including the celebration of Memorial Day in the United States, which honors military personnel who have died in service. Historically, May 30 has seen significant events, such as the founding of The National Memorial Day Parade in Washington, D.C., and the first observance of Decoration Day in 1868, which later evolved into Memorial Day. The date is also marked by various cultural and sporting events around the world.