People participate in Montreal’s Saint Patrick’s Day Parade in Montreal, Canada, on March 16, 2025. Montreal’s parade, the oldest in Canada, is celebrating its 200th year. ANDREJ IVANOV ...

However, blue still plays a symbolic role in Ireland: Since 1945, the flag representing the president of Ireland has a gold harp with a dark blue background – the color known as St. Patrick’s ...

While St. Patrick's Day is not recognized as a federal holiday in the U.S., it gives both Irish and non-Irish Americans a themed reason to celebrate. It is a national holiday in Ireland ...

NBC News’ Joe Fryer took a deeper look at Saint Patrick’s lasting influence and the history behind the holiday. IE 11 is not supported. For an optimal experience visit our site on another browser.