Flag Day

Betsy Ross showing the United States flag to George Washington and others in "The Birth of Old Glory" by Percy Moran, 1917.
"Resolved, that the flag of the thirteen United States shall be thirteen stripes, alternate red and white; that the Union be thirteen stars, white on a blue field, representing a new constellation."

- John Adams at a meeting of the Continental Congress in Philadelphia on June 14, 1777.