The St. Patrick's Day Parade is one of the few remaining where no cars, floats, buses, trucks or other vehicles are allowed. People march up Fifth Avenue, led by members of the 165th Infantry (originally the Irish 69th Regiment of Fighting Irish fame). Sponsored by the Ancient Order of Hibernians, the more than 150,000 marchers are members of various Irish societies from New York and around the country; many Eire-based societies make the Atlantic crossing to trek the two miles uptown. Large contingents include the Emerald Societies of the New York City Police and Fire Departments, and any politician running for office within a 50-mile radius.
Added by Upcoming Robot on March 16, 2009