Monday, March 17 is St. Patrick's Day, celebrating all things Irish in the U.S. and around the world. Cities celebrate with parades, bar crawls and more.

America’s first St. Patrick’s Day celebration was in 1600 in the Spanish colony of present-day St. Augustine, Florida. Spanish colonial records mentioned a celebration for Saint Patrick in 1600 and ...

People in Ireland have been celebrating St. Patrick with special churches services and feasts since around the ninth or 10th century. The first St. Patrick's Day parade, however, is believed to ...

To commemorate his memory, people in Ireland started observing a feast day on March 17 around the ninth or 10th century. Green is the dominant colour of St Patrick's Day and people wear green ...

At some point he adopted the Latin name Patricius. In the 10th century, the first evidence of St. Patrick being a beloved figure in Ireland emerged. In the early 17th century, Luke Wadding ...

These Vikings were also the great international traders of the 9th and 10th centuries: ...

The earliest historical source we have comes from around the 10th century and held that the Gaels came from Ireland in around 500 AD, under King Fergus Mor, and conquered Argyll from the Picts.

People in Ireland started observing a feast day on March 17 in celebration around the ninth or 10th century, according to the History Channel, but the parades to honor it actually started in America.