Date When Celebrated : Always March 3rd
The Star-Spangled Banner is the national anthem of the United States of America. It was written by Francis Scott Key. National Anthem Day celebrates this song, and the rich history behind its creation. The song officially became our national anthem on March 3, 1931.
Celebrate today by proudly flying the flag. Also listen to and sing the Star-Spangled Banner.
More Details...
All details taken directly from provider content at http://holidayinsights.com/moreholidays/March/nationalanthemday.htm