It was among Irish American communities that the day became the celebration it is, from its roots as a more solemn day with a religious observance in Ireland.

St. Patrick's Day is the feast day for St. Patrick, the patron saint of Ireland. Irish citizens celebrate the day by attending church to honor the saint who brought Christianity to Ireland in the 5th century. It's celebrated on March 17 annually to honor St. Patrick's death date.

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. And nowhere is that more so than in the United States,

There’s more to this holiday than just an excuse to drink pints of Guinness... View on euronews

CROWDS IN CITIES across the island of Ireland will gather for dozens of events and parades today in celebration of St Patrick’s Day. Six major, city parades and hundreds of events are taking place in Ireland,