I used to live in Canada, so I never really learned about American states until I actually moved there around the time I was 10. I thought that Washington DC was a state and that Virginia and Maryland were just cities in it.
A childhood belief about places

others believed things like this
- I used to believe that China was attached to the United States somewhere up near Washington state.Anon
- When I was little I thought that Washington( D.C. )was in Washington state. Anon
- I used to think that because there was a state called Washington, there was also a state called Dryington.— Jasonchic
- Living near Canada's border without cable, I didn't know I was American. — Romania
- I grew up in Hawaii, and was pretty sure that our country, the United States, was the fiftieth stateAnon
- I used to believe that the lower level of the George Washington Bridge in NYC was named Martha Washington— Shayne