When I was about 5 and just grasping the notion of there being other countries besides England, I somehow became convinced that France was the exact opposite of Germany. I don't know what I thought that meant though!
A childhood belief about nationalities

others believed things like this
- I used to believe that England was shaped like a Sewing Machine Box, Germany was a Smiling Sun. Anon
- I thought the England was EDGE-land but england was ENG-landAnon
- I thought french fries were really invented in France (they are Belgian for those who don't know)— Quarm
- I used to believe the large metal structure in Paris, France, I thought it was the "Eye Full Tower"— Janet
- i used to think France was in the united states
— TY - I thought the only countries that drove on the left was UK and Hong Kong— Anonymous