Who was the real St. Patrick? Was that legend about the snakes true? And why did so many St. Patrick’s Day traditions start in America?

HISTORY.COM EDITORS | UPDATED:MAR 9, 2022

While St. Patrick’s Day is now associated with wearing green, parades (when they’re not canceled) and beer, the holiday is grounded in history that dates back more than 1,500 years. The earliest known celebrations were held in the 17th century on March 17, marking the anniversary of the death of St. Patrick in the 5th century. Learn more about the holiday’s history and how it evolved into the event it is today.

WATCH: Saint Patrick: The Man, The Myth