Memorial Day was formerly known as Decoration Day and originated after the American Civil War to commemorate the Union and Confederate soldiers who died in the war. By the 20th century, Memorial Day had been extended to honor all Americans who have died while in the military service.

(Memorial Day is not to be confused with Veterans Day; Memorial Day is a day of remembering the men and women who died while serving, while Veterans Day celebrates the service of all U.S. military veterans.)