The documentary also revealed that numerous Crown Jewels were buried in a biscuit tin on the grounds of Windsor Castle during World War Two, to protect them from the Nazis - information that was so top-secret, the Queen herself only just found out about it.
"What was so lovely was that the Queen had no knowledge of it".
Despite her stern words - "not what they're meant to do" - you get the sense there was definitely some fun to be had.
Letters from Sir Owen Morshead, the former royal librarian to George VI's mother Queen Mary, described the hiding place in detail, The Independent reported. Two chambers were constructed with steel doors, to further protect the jewels, which were stored inside, in the tin.
Oliver Urquhart Irvine, a librarian and assistant keeper of The Royal Archives, unearthed the story, and host Alistair Bruce had to inform the queen about it before the program aired, The Independent reported. The trap door, used to access the secret area where the tin box was kept, is still there.
Scientists Caught Distant Supermassive Black Hole Burping
They tend to occur after events where the black hole has engulfed a large amount of matter, which some scientists call a "meal". Astronomers saw gas jets dubbed "Fermi bubbles" that shine in the gamma-ray and X-ray portions of the electromagnetic spectrum.
"Fortunately my father and I have about the same sort of shaped head".
THE Queen has opened up about the literal weight of responsibility that comes with being the head of the monarchy - and wearing the crown. The monarch has never given an interview.
This plan was so secret that Queen Elizabeth herself reportedly didn't even know about it, and only found out recently, during the filming of her documentary for Smithsonian Channel. But once you put it on it stays. Oh, and follow a rule that you must stop eating as soon as your fam's matriarch has decided she's full. "So there are some disadvantages to crowns, but otherwise, they're quite important things". Made for George VI's coronation in 1937, the impressive crown is set with 2,868 diamonds and various colored stones, including 17 sapphires, 11 emeralds and 269 pearls, according to the Royal Collection Trust.
It also features the Black Prince's Ruby, believed to have been worn by King Henry V in his helmet at the Battle of Agincourt in 1415.