I thought dogs only peed on people in America! The reason for this is because there's a Garfield movie where they are visiting somewhere (I think Britain) and Odie plans to pee on somebody, but Garfield says, "Don't do the ugly American thing!".
A childhood belief about cats and dogs

others believed things like this
- Thanks to the movie "Annie", I thought hot dogs were made from real dogs. — Katie
- I used to think it was true that only ugly girls poop and I thought I was an ugly girl because I poopedAnon
- i used to believe i was native american because i was a native of america!!!— rachel
- I thought that all black people were African-AmericanAnon
- When i was a kid i used to think that all ugly people were imported from space haha!!!!!— Abbey Jackman Mulligan
- I used to believe all of North America was Canada and South America was USA..— Daria