02/14/1867 Saint Valentine's Day is celebrated around the United States. (By John Osborne) Record Data Date Certainty Exact Type Education/Culture People Images "Saint Valentine's Day, February 14, 1867," Harper's Weekly Magazine, February 16, 1867, zoomable image. "Saint Valentine's Post-Office," cartoon, Harper's Weekly Magazine, February 17, 1866
"Saint Valentine's Day, February 14, 1867," Harper's Weekly Magazine, February 16, 1867, zoomable image.