Is Flag Day 2025 a federal holiday? No. Flag Day is not considered a federal holiday. Is mail delivered on Flag Day, June 14, 2025? Yes. Mail should be delivered like any other da

Since President Woodrow Wilson declared June 14 Flag Day in May 1916, the United States has honored the adoption of the stars and stripes in a number of ways, including carrying the flag in parades, displaying it outside homes and holding other patriotic events. Before 1916, a number of states and cities had started to observe the day.