While David Cameron might not know what the literal translation of Magna Carta is, did you know that the Queen once owned a horse named after the 13th century charter of political rights?
Inspired by our prime minister's Magna Carta mindblank, here are seven you probably didn't know about.
Oh, and by the way David, Magna Carta translates from Latin to Grand Charter.
Magna Carta: The Horse
In the 1970s Magna Carta, seen here ridden by jockey Geoff Lewis up, was a horse trained by Ian Balding for the Queen.
Magna Carta: The PS2 game
Available on <a href="http://www.ebay.co.uk/itm/Magna-Carta-PS2-PlayStation2-/300774735940#ht_1213wt_982">ebay here</a>
Magna Carta: The boat
The eight-passanger Magna Carta barge is, according to <a href="http://www.gobarging.com/magna-carta-barge">gobarging.com</a> "one of the finest, most luxurious vessels cruising the British Isles."
Magna Carta: The record company
Visit <a href="http://www.magnacarta.net">www.magnacarta.net</a> for all your musical needs.
Magna Carta: The film
According to the <a href="http://film.britishcouncil.org/magna-carta">British film council</a>, the tale is "an experimental account of the historical growth of personal freedom and civil rights in Britain using prints, animated sequences, and re-enactment."
Magna Carta: The board game
Yes, this <a href="http://boardgamegeek.com/image/339842/caylus-magna-carta]">really exists.</a>
And finally.. Magna Carta: The club sponsored by Michael Gove
According to them: ‘The Magna Carta Club’ is a Club for Conservative-minded business and professional persons.