St. Valentine is pictured in a stained-glass window at the Basilica of St. Valentine in Terni, Italy, February 10. While some details of St. Valentine’s life are lost to history, the local diocese believes he was the martyred third-century bishop of Terni. A special Mass was celebrated at the basilica February 10 for engaged couples in advance …

https://thegoodnewsroom.org/history-of-st-valentines-day-the-saint-of-love-and-friendship/