Happy Birthday, Prince William! The Duke of Cambridge turns 37 on Friday (June 21).
Royal fans have likely had the prince’s biggest moments burned into their brains, from his debut on the steps of the hospital where he was born in 1982, to his successful completion of a degree at the University of St. Andrews, to his fairytale wedding to Duchess Kate and him holding his own children on those exact same steps, decades later.
That’s already a life jammed with incredible things, and there’s more yet to come, because he’s second-in-line to the throne!
But what do you know about William? Test your knowledge with our quiz below to help celebrate his big day!