If it’s March, and it’s green, it must be St. Patrick’s Day. The day honoring the patron saint of Ireland is a global celebration of Irish heritage.

The color was then weaved into St. Patrick's Day celebrations in the United States after Irish immigrants arrived in the 1800s. Still, you need to watch out for the leprechauns. According to ...

If it's March, and it's green, it must be St. Patrick's Day ... had a day dedicated to him, which was March 17. He became Ireland's patron saint, and even when religious strife broke out between ...