I used to think that 'lost luggage' meant it had fallen out of the luggage compartment while flying and landed in the ocean.
A childhood belief about aeroplanes

others believed things like this
- I thought a "fallen soldier" was one who'd tripped and fallen during a battle.Anon
- I used to believe that if someone lived "overseas", it just meant that they lived by the ocean.Anon
- I used to think that the song "My Bonnie Lies Over the Ocean" was really "My Body Lies Over the Ocean."Anon
- I used to think if a moth landed on you , you would get a mole. — karen
- I used to think that the fog was a cloud that had died and fallen to the earth.— Cici
- When I was a small girl, I used to believe black men had fallen into chocolate. — elodie, French student in eighth grade