I used to believe I was Polish when I was five years old. I have no idea why. I convinced myself I could speak fluent Polish and proceeded, for two weeks or so, to chat away to random strangers in the street in something akin to complete gibberish.
A childhood belief about i'm different

others believed things like this
- Polish war memorial ,I thought it was an instruction.as in to polish— oddsox
- As a youngster, my older brother told me that polish sausage was really the bull's genitals. — Ross
- I used to believe that people from Holland were called "Hollish", like people from Poland are called "Polish"— Sally
- On TV game sows when they said the winners were chosen "at random" I thought random was a town.Anon
- I would speak in gidderish, convinced that it was some foreign language I had never heard of— Molly
- I had my wife convinced that Steven Hawking made his fortune as the original voice for the speak N spell toy.Anon