Final answer:
Memorial Day was initially known as Decoration Day and was established in 1865 to commemorate fallen Union soldiers, evolving into the Memorial Day observed today.
Explanation:
Memorial Day was originally called Decoration Day. It was founded on May 1, 1865, in Charleston by African American women mourning the Union dead. In 1971, it was officially declared a federal holiday to honor all American soldiers who died while serving in the military.
Learn more about Memorial Day history here:
https://brainly.com/question/40373518
