I used to think that if you were pregnant and your baby was born in another country, the baby would be of the nationality of that country and you wouldn't be allowed to take the baby home with you (it would be adopted by one of the native citizens).
A childhood belief about nationalities

others believed things like this
- on "highway to hell" i always thought it goes "baby see, baby do" instead of "hey satan, payin´ my dues"— Miss Understood
- That because Gerber Baby Food had a baby on it real babies were put in there. Thanks a lot cousin!— Nicole
- I used to believe that a baby shower was a tiny bathtub with a showerhead just for the baby.— Amy
- How could Baby Jesus be born on Dec 25th, get tall, grow a beard and then die, all by Easter. Whew!— Joe
- Since I was born on the 4th of July, I really thought the entire country celebrated my birthday.— -Stoddard
- I used to think wars started when a sergeant from one country socked a sergeant from another country.— recovering