Patrick was born in Roman Britain. At age 16, he was captured by Irish pirates and sold as a slave. He suffered many trials but would go on to convert Ireland.
There are many legends on the origin of St. Valentine's Day, but we know that he was a man of great faith and is the patron of love, devotion, and romance.
Catherine converted many learned pagans, soldiers, even members of the royal household to Christianity. In anger, Empire Maxentius had them all executed.