Patriots’ Day in the United States is observed on the third Monday in April each year, primarily in Massachusetts and Maine.

Quick Scoop: When is Patriots’ Day?

  • It is a regional state holiday marking the start of the American Revolutionary War at the Battles of Lexington and Concord on April 19, 1775.
  • The observance was moved from the fixed date of April 19 to the third Monday in April in 1969 to create a long weekend.
  • In 2026, Patriots’ Day falls on Monday, April 20.

A well-known example: the Boston Marathon is traditionally held on Patriots’ Day each year, tying modern events to the historic commemoration.

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