A childhood belief about history

This is really the opposite of a silly belief but amusing anyways. I was a very skeptical little kid (and am now a skeptical adult). In addition to realizing by the age of 4 or so that Santa Claus, the Tooth Fairy, and the Easter Bunny weren't real, I went further and refused to believe that dinosaurs had ever actually existed. I had seen pictures of them in books and on TV, but my cynical little self already knew that not everything you read or saw was true, so I figured that dinosaurs were made up. I persisted in this until I was 7 and we went to the Smithsonian museum of natural history, and they had a bunch of dinosaur skeletons. I felt ok about believing them after that because if you acutally observed something for yourself, it was ok to believe in it. As you might imagine, I did well in science classes but had a tough time with CCD...