In 1980, King Charles started dating Lady Diana Spencer. At the time, he was 31 years old while she was 18. They got married on July 29, 1981. They had two sons, Prince Harry and Prince William.

So the young prince became a young king. He had two sisters, but they weren't given a look in. Back then, when it came to passing on the crown, it was only sons allowed. This rule gave the new ...