Tourism officials forecast a record crowd for the St. Patrick's Day

A group from County Kerry, Ireland, marches up Fifth Avenue
during the St. Patrick's Day Parade in New York. The 2016 parade marks the centennial anniversary of Ireland's Easter Rising against British rule.

Tourism officials forecast a record crowd for the St. Patrick's Day parade in Dublin, centerpiece of a weeklong festival celebrating Ireland's patron saint. An estimated 125,000 visitors are joining hundreds of thousands of locals at Thursday's two-hour parade down O'Connell Street to St. Patrick's Cathedral in central Dublin.