1. The US flag was adopted on June 14, 1777.
  2. Although legend says that Betsy Ross designed the flag, not all scholars are convinced, according to the Library of Congress.
  3. Flag Day is also the birthday of the US Army, founded in 1775.
  4. The first unofficial Flag Day took place in 1861 in Hartford, Connecticut on the suggestion of George Morris, but the observance didn’t take hold.
  5. The first recognized Flag Day observance was held by Bernard J. Cigrand in Waubeka, Wisconsin in 1885.
  6. President Woodrow Wilson proclaimed June 14 as Flag Day in 1916.
  7. Thirty-three years later, an Act of Congress established National Flag Day.
  8. The oldest continuous Flag Day parade has been held in Fairfield, Washington since 1909 or 1910. The only year it didn’t take place was 1918.
  9. The original American flag had 13 stars; there have been 27 additions between 1777 and 1960.
  10. The 50 star flag was first flown in 1959; it became official in 1960.

Source: www.parkrideflyusa.com