Prince Philip couldn't retire without one final joke on Thursday.
Mathematician Sir Michael Atiyah was one of the first to approach the prince after his announcement. He couldn't help but tell the royal, "I'm sorry to hear you're standing down," to which Philip replied, "I can't stand up much longer!" LOL!
But this type of humor is exactly what the Duke became known for over his years in the monarchy. In fact, sometimes it got him into a bit of trouble...
Let's look back at 22 of his biggest gaffes and most memorable one-liners below: