Most alcohol-related St. Patrick’s Day celebrations in South Boston will end by 7 p.m. on Sunday, March 16. In anticipation of the St. Patrick’s Day Parade, liquor stores will close by 4 p.m. as usual on Sundays.

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.

Presented by the South Boston Allied War Veterans Council, the Southie parade full of colorful floats, marching bands, bagpipes and dancing celebrates not only St. Patrick's Day, but also Evacuation Day, when the British left Boston during the Revolutionary War.