When I was little I had heard that the Roman Emperor Nero fiddled while Rome was burning. So I thought that he litterarally just sat around playing his fiddle while Rome was destroyed.
I think it's because of several cartoons that portrayed Nero as a fiddler that I developed this belief.
A childhood belief about history

others believed things like this
- That if you fiddled with your bellybutton it would unscrew your bum and it would fall off— Sundaeg1rl
- i was told that if you fiddled with your belly-button too much, my bum would fall off.Anon
- Even though I knew about Roman numerals when I was younger, I thought that there was 11 world wars.Anon
- I thought that 'burning' DVDs and CDs was literally incinerating them. — These Tunes Are FIRE!
- My friend used to think hit me with your rythm stick was hit me with your fiddle stick!! lolAnon
- When my daughter was small she developed tonsillitis but she told everyone she had "tongues and lighters"— Jeannie Bee