Memorial Day originated after the American Civil War to honor Union and Confederate soldiers who died in battle. It has since been expanded to honor all Americans who have died while serving in the U.S. military. The holiday is observed every year on the last Monday of May. Many FRG groups and organizations at Fort Drum have scheduled events to honor veterans and fallen soldiers over Memorial Day weekend such as remembrance ceremonies and blood drives. The post will also be closed on Memorial Day except for urgent medical care facilities.