When I was around 4 or 5, I used to think that everyone who lived in Pennsylvania was a vampire. I'm pretty sure I came to that conclusion because it was sort of spelled the same as Transylvania.
A childhood belief about vampires

others believed things like this
- I used to believe that the rapper Eminem's name was spelled M&M and anyone named Juan was spelled one.Anon
- I used to think Dracula was from Pennsylvania.Anon
- I used to believe that the Lehigh tunnel in Pennsylvania was created by Superman.— Holz
- I used to think the entire state of Pennsylvania was made out of pencils.— Pencil-vania
- I used to believe that you spelled "ESSAY" like "SA" and "EASY" like "EZ".— Lauren
- I used to think the raper eminem was spelled M&M.— Rambles