I'm from Atlanta and I used to believe that at the end of the Star Spangled Banner, when you sang "and the home of the Brave..." that everyone across the country put in the name of their own hometown ball team.
A childhood belief about sport

others believed things like this
- I used to think that birds sang in different languages depending on the country they were in!— Sarah
- Until about age 9, I thought there was a country called "Operaland" where everyone sang instead of talking.Anon
- I used to think volleyball was actually called "ball-y ball"Anon
- I thought that the star that Mary and Joseph followed was called Yonder, as in 'following Yonder star."— Kairow
- Billy Squire sang about "My Kind of Lover". My wife sang about "My Candelabra"— Wailerman
- my friend used to think a SWAT team was pest control.— wacko zacho