
Before the bells of St. Paul's Cathedral rang out or a certain sapphire engagement ring was given, Lady Diana Spencer was slowly getting to know Prince Charles. The early stages of their royal courtship were marked by a few polite outings—they met only 13 times before getting married on July 29, 1981—and apparently, one such meeting came with an awkward suggestion.
According to Andrew Morton's biography Diana: Her True Story—In Her Own Words (via Hello!), Prince Charles took Lady Diana to his new country home, Highgrove House, in the summer of 1980.