🇺🇸 Memorial Day is a federal holiday in the United States that honors and mourns the U.S. military personnel who have died in the course of carrying out their duties. It was observed on May 30 from 1868 to 1970 and has since been on the last Monday of May.
Based on the event 159 years ago (1865).
Additional information
https://en.wikipedia.org/wiki/Memorial_Day