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.

The Chicago River is once again glowing kelly green as the city opens its annual St. Patrick’s Day celebrations

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.

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.

BBC News NI has pulled together what's on offer this year in the Irish capital and across Northern Ireland: Belfast has been hosting events since the start of March, with a packed programme of cultural activities across the city leading up to St Patrick's Day.

St. Patrick's Day weekend is up ahead, and many are gearing up for local celebrations. Here's a list of festivities for those looking to celebrate St. Patrick's Day in the Baltimore area.