<Tr> <Th> Frequency </Th> <Td> annual </Td> </Tr> <P> In the United States, Flag Day is celebrated on June 14 . It commemorates the adoption of the flag of the United States on June 14, 1777 by resolution of the Second Continental Congress . The United States Army also celebrates the U.S. Army Birthdays on this date; Congress adopted "the American continental army" after reaching a consensus position in the Committee of the Whole on June 14, 1775 . </P> <P> In 1916, President Woodrow Wilson issued a proclamation that officially established June 14 as Flag Day; in August 1946, National Flag Day was established by an Act of Congress . Flag Day is not an official federal holiday . Title 36 of the United States Code, Subtitle I, Part A, CHAPTER 1, § 110 is the official statute on Flag Day; however, it is at the president's discretion to officially proclaim the observance . On June 14, 1937, Pennsylvania became the first U.S. state to celebrate Flag Day as a state holiday, beginning in the town of Rennerdale . New York Statutes designate the second Sunday in June as Flag Day, a state holiday . </P> <P> Perhaps the oldest continuing Flag Day parade is in Fairfield, Washington . Beginning in 1909 or 1910, Fairfield has held a parade every year since, with the possible exception of 1918, and celebrated the "Centennial" parade in 2010, along with some other commemorative events . Appleton, Wisconsin, claims to be the oldest National Flag Day parade in the nation, held annually since 1950 . </P>

What state is flag day a national holiday