NASA Astronaut Owen Garriott successfully pranked flight controllers by playing a recording of his wife whilst on SkyLab. There were no women on board the space station and was used to make it look like there was a stowaway.
For an April fools prank, Virgin cola announced they had a new technology that would turn their cans blue when they expired. They advised their customers not to buy blue cans. Coincidentally, Pepsi had just released their bright blue can design.
Hunter S. Thompson pranked Jack Nicholson on his birthday by shining a spotlight on his house, blasting a recording of a pig being eaten alive by bears, firing his pistol, and leaving an elk’s heart at the front door, while Nicholson and his two daughters hid in the basement.
In 1974, two phone hackers stood on a California beach and from two public phone booths intercepted every incoming call to Santa Barbara, and told the dialers the city had been wiped out in a nuclear explosion, causing a widespread panic.
In 1996, as a April Fool’s Day prank, the Taco Bell Corporation took out a full-page ad that appeared in six major newspapers saying that it had bought the Liberty Bell and was renaming it the Taco Liberty Bell. The National Historic Park in Philadelphia received hundreds of outraged calls.
While bored during his work with the Manhattan Project Richard Feynman would amuse himself by picking the locks of his colleagues confidential file cabinets and placing prank notes, his colleagues believed a spy had infiltrated the project.
On April Fools Day in 1989, billionaire Richard Branson designed a hot air balloon to look like a UFO, and hired a dwarf in an E.T. costume to come out and scare whoever was near it when it landed.
While attending Oxford, J.R.R. Tolkien once stole a city bus and took his friends on a joy ride.
A 15 year old Roman Emperor named Heliogabalus, was a notorious prankster. He would get his party guests black out drunk and then dump them into a bedroom full of toothless leopards, lions and bears. He also created the 1st known ‘whoopee cushions’ using inflated animal bladders. Needless to say, Heliogabalus’ antics angered many people, which is what led to his assassination when he was 18-years-old.