Definition of Memorial Day
1
: May 30 formerly observed as a legal holiday in most states of the U.S. in remembrance of war dead
2
: the last Monday in May observed as a legal holiday in most states of the U.S.
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“Memorial Day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Memorial%20Day. Accessed 11 Apr. 2021.
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The first known use of Memorial Day was in 1868
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