I used to believe that each year was like a circle, with December at the bottom and July at the top and when I thought about what month it was, I'd imagine myself standing on the circle. It still seems to make perfect sense to me!
A childhood belief about general

others believed things like this
- I used to believe that rounding a number meant drawing a circle around it.Anon
- Until I was about 8 I believed that your back teeth keep growing in until you have a full circle of teeth.Anon
- I thought it was impossible for anyone to lift more than their own body weight. Just seemed to make sense..— Xenomorph
- Since I was born on the 4th of July, I really thought the entire country celebrated my birthday.— -Stoddard
- My parents have the same birthday -- month, day, and year. I though all mom's and dad's had the same birthday.— Cait
- I used to think that fireflies only came out for the 4th of July. :-)— Whitney