The first American flag was sewed by Betsy Ross in May of 1776.
Congress adopted the Stars and Stripes as the American flag on June 14, 1777.
The colors of the flag have important meanings. Red symbolizes Hardiness and Valor, White symbolizes Purity and Innocence and Blue represents Vigilance, Perseverance and Justice.
The first Flag Day observance was on June 14, 1885, when 19-year-old school teacher Bernard J. Cigrand placed a 38-inch star flag in a bottle on his desk. He assigned essays about the flag and its significance.
In 1894, the governor of New York directed that the flag be displayed on all public buildings on June 14.
On May 30, 1916, President Woodrow Wilson issued a presidential proclamation establishing Flag Day as the anniversary of the Flag Resolution.
On August 3, 1949, President Truman signed an Act of Congress that would designate June 14 of each year as National Flag Day.