I used to think that World War II took place on a field in Los Angeles (where I lived). I thought that you could just go to where the war was going on and watch it through a chain-link fence.
A childhood belief about wars

others believed things like this
- I used to believe that we lived inside of the world. I asked my Dad who lived on the outside of the world. — Pauline
- I used to think that Los Angeles took up half the United StatesAnon
- I used to think that New Orleans was in Los Angeles, because I'd seen addresses written "New Orleans, LA".— Hilary
- I always believed that we lived in Manchester (we didn't) but it was always the main place on the local news!— Richard M
- I heard the song about Heaven being a place where nothing ever happened and thought, "What a boring place."Anon
- I used to believe that the North Pole was the coldest place in the world and the South Pole was the hottest...— Logica