I thought that Roman Numerals were still commonly used in Italy, The Vatican, and Romania. 'Cause Rome, you know.
A childhood belief about nationalities

others believed things like this
- Even though I knew about Roman numerals when I was younger, I thought that there was 11 world wars.Anon
- I used to believe that Paris was the capital of London and Italy was the capital of France.Anon
- We had an antique lamp that I thought was hideous and for years I thought "Art Deco" was a synonym for ugly.Anon
- When I was younger I thought MTV was an x-rated station because I thought M stood for Mature.— Aeris
- I thought it was illegal to own a minivan if you lived in Arizona. I have no idea how I thought that.— Julia
- When I was 5, I thought you could walk on cloud. And I thought they are coton candy.— Pauline