I used to believe that "Bank Holidays" were called Bank Holidays because we could all have a day off and go to the river bank - i didn't realise that it was because the Banks were actually closed.
A childhood belief about general

others believed things like this
- We would drive by UNION BANK here in California and I would say "Onion bank!" My Mom would bust up laughing.— BINGO
- I used to believe the bank "scottish widows" was run by widows, and only gave bank accounts to widows.— Angelmouse
- I used to believe that 'bankruptcy" meant that you were actually going to rob a bank — Mindy
- i used to believe that if you were broke that you could go to the bank and get money for free!— Karianne
- I used to believe that as long as there were checks in the checkbook, there was money in the bank.— Michelle
- I thought it was against the law to carry around a lot of money unless you were putting it in the bank.Anon