Samuel T. Day (1838–1877), American physician, plantation owner and politician
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Samuel S. Day (1808–1871), Canadian-born American Baptist missionary
The Church of Jesus Christ of Latter-day Saints | Samuel Beckett | Green Day | Samuel Taylor Coleridge | One Day International | Samuel Johnson | New Year's Day | Samuel Pepys | Boxing Day | Memorial Day | Seventh-day Adventist Church | Labor Day | Samuel L. Jackson | Doris Day | Earth Day | May Day | Sandra Day O'Connor | Valentine's Day | Record Store Day | Mother's Day | Ferris Bueller's Day Off | Bastille Day | Six-Day War | Samuel R. Delany | Samuel Barber | April Fools' Day | Australia Day | Samuel Goldwyn | Samuel | Father's Day |