20 Pieces of Etiquette Every Royal Wedding Guest Needs to Follow

(via Mental Floss)  If you were lucky enough to score an invite to the royal wedding of Prince Harry and Meghan Markle, you’d better know what to do once you get there. And no, we’re not talking about just knowing which fork is the salad fork (though that’s important, too). Royal events come with their own set of rules—some of them obvious, others anything but. So that you don’t embarrass yourself on Harry and Meghan’s big day, here are 20 etiquette rules you’ll definitely want to follow.