FORT WAYNE, Ind. (WOWO):When singing The Star-Spangled Banner, how many words do you actually know? Or are you standing there pretending to mouth the words?

The song was written in 1814 and became America’s national anthem on this day in 1931, but that doesn’t mean the words are programmed in everyone’s brain.

How well do you know do you actually know the famous song? In honor of National Anthem Day, take the quiz below to find out. Choose the correct line that comes next in the song.