When I was little I didn't really understand the concept of a 'Birthday'. I knew it happened once a year but I didn't think it had a set date so every year i'd ask my mum what day my birthday was on.
A childhood belief about birthdays

others believed things like this
- i used to think that if i didn't celebrate my birthday each year my younger sister would catch up with me— q
- 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 believe that on your birthday, you didn't advance to your next age until you ate your birthday cake.— Casi
- My birthday was on a different day every year, assigned by my parentsAnon
- I used to think that your birthday changed every year, and that your parents just decided what day it was.— Daniel
- iwas told that if u cry on your birthday you would not get any bigger 4 a whole year— steve