From the strange to the mundane, it probably seems like the world knows everything there is to know about Charles, Prince of Wales. After all, when your mother is the queen and you are the future king, privacy can be hard to come by. He certainly hasn’t shied away from the spotlight. His official website reports that he undertook over 600 engagements during the 2017-18 reporting year, making him the busiest royal.
Even with the world watching his every move, there may still be some things you’d be surprised to learn about the future king. These are 21 facts you might not have known about Prince Charles, including the secret society he’s belonged to for decades (no. 10).