Happy National Anthem Day! (Star-Spangled Banner Day!

This day in history marks the day that the Star-Spangled Banner became our national anthem! Can you figure out how many years ago this happened? How about which president made this song into our anthem? Hmmmmmmmmmmm?

See it on "Today in History". http://www.history.com/this-day-in-history/the-star-spangled-banner-becomes-official

http://www.history.com/this-day-in-history/the-star-spangled-banner-becomes-official

http://www.history.com/this-day-in-history/key-pens-star-spangled-banner Who wrote it?