Scorpions are incredibly resilient: scientists have frozen scorpions overnight, left them in the sun the following day, and when thawed, the arthropod walked away unscathed.
Martin Luther King Jr. had a C in public speaking.
The Guinness brewery supported all of it's employees who chose to fight in WW1. They were paid half of their wages while away, and their jobs were guaranteed upon their return. The brewery also sent them care packages containing chocolate and condensed milk.
George Lazenby wasn't an actual actor. He got himself a suit, a Rolex and a new haircut, then met with the producer and made up movies he had been in. He later landed the role of James Bond.