I didn't know what months on a calendar were yet, so I used to believe that summer vacations from school was one full year. I thought that turning from 2nd to 3rd grade was the same as turning 6 years old to 7 years old. So I believed that summer vacations were 1 year long.
A childhood belief about general

others believed things like this
- the summer that I turned 11 I waited out side on the step all summer for my hogwarts letter... ;D — Ginny weasley... not really
- I thought that 1983 went on for 3 years - had to ask my sister who decided how long a year lasted.— Sally
- I used to think the lyrics of "Boys of Summer" said "poison summer"— Lindsay
- When I was in elementary school I use to think that teacher lived at school at their desks all year long.Anon
- When I was 6 I believed that on nice summer days you can see the world spin if you just look hard enough :)Anon
- I use to believe that everyone in Florida didn't go to school because it was warm all year around.— Julia