There is perhaps no other holiday tied more to a city than St. Patrick’s Day in Boston. According to historians, the city was the first in the country to throw a celebration for the patron saint of Ireland on March 17, 1737, as a way to support the city’s wave of Irish immigrants.

With St. Patrick’s Day celebrations picking up around the United States, here is what you need to know about this year’s Boston St. Patrick’s Day parade.

South Boston’s St. Patrick’s Day Parade brought revelers in green, confetti-filled streets, and a raucous celebration that spilled from the sidewalks to the T.