Saint Valentine Feast Day - Bishop And Martyr - 14 February

Quoted from Wikipedia [1]:

Saint Valentine was a clergyman – either a priest or a bishop – in the Roman Empire who ministered to persecuted Christians. He was martyred and his body buried on the Via Flaminia on February 14, which has been observed as the Feast of Saint Valentine (Saint Valentine's Day) since at least the eighth century

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[1] https://en.wikipedia.org/wiki/Saint_Valentine, quoted without hyperlinks and references.