Evacuation Day is a public holiday in Suffolk County (including Boston), Massachusetts, in the United States on March 17 each year. It celebrates the date when the British troops evacuated Boston during the American Revolutionary War. Boston is the seat of Suffolk County, where various activities are held each year to remember this event. Evacuation Day coincides with st patrick,s day also on March 17.

This gives a reason to celebrate especially as many residents in Suffolk County are of Irish descent. Moreover, the Irish Catholics are remembered on this day for their efforts in helping General George Washington defeat the British soldiers on March 17, 1776. Activities on the day may include Evacuation Day re-enactments, essay contests, and visits to historically significant sites.