In the United States Flag Day is celebrated on June 14. It commemorates the adoption of the flag of the United States by resolution of the Second Continental Congress in 1777.
In 1916, President Woodrow Wilson issued a proclamation that officially established June 14 as Flag Day; in August 1949, National Flag Day was established by an Act of Congress.
National Flag Week is the week that contains June 14.
There is another image on page 2 an 3 Page 2 - National Flag Week Page 3 - Vintage Flag Day Postcard