A friend of muine said that he used to think that in the 20's and 30's people speed-walked everywhere they went, because that's how everyone walked in all the old news reels. Of course that was because the cameras weren't timed right.
A childhood belief about history

others believed things like this
- When I was younger, I used to think people in China walked upside down.— Max
- I used to think Jaywalkers were people who walked briskly whilst swinging their arms.. whoops!— Lisa
- I used to think that if you walked down a dead end street you would die.— holly
- i used to believe that if i walked in the rain i would grow taller.Anon
- I used to think the moon followed me when I walked home in 2014.— Cookies
- I used to believe that if you walked directly over someone's grave, they would haunt you forever.— jonee