My dad has always rooted against the New York Yankees baseball team. Until well into my 20s, I thought the the symbol on the Yankees hats was some sort of evil Nazi sign. It wasn't until I focused on a Yankees hat someone was wearing during a 45-minute subway ride that I realized it was an "N" and a "Y"!
A childhood belief about sport

others believed things like this
- My mom used to believe that the San Francisco Giants baseball team were actual giants.Anon
- I thought the underground railroad was actually a subway.— Greg
- I thought for the longest time that a No Standing traffic sign meant no person should stand near that sign.— Shannon
- I thought for some reason that chewing tobacco was REQUIRED for Major League Baseball players.— Jeff
- I used to think those propeller hats could actually make you fly. — Meghan
- When I was young I thought that York Peppermint Patties were illegal drugs.— Shirley B.