Saint Patrick Was Not Irish by Birth
Saint Patrick was born in Roman Britain in the late 4th century. He was captured by Irish raiders and later returned to Ireland as a missionary.
He Used the Shamrock to Explain the Trinity
According to tradition, Patrick used the three-leafed shamrock to illustrate the Christian concept of the Father, Son, and Holy Spirit.
March 17 Marks His Traditional Death Date
Saint Patrick is believed to have died on March 17, around 461 AD. This date became his feast day and is now widely celebrated as St. Patrick's Day.
For more background, see Saint Patrick on Britannica.
