Wikipedia as a source? Really?
It's the Royal Moto, you clueless classless yank.
Try doing a search for "What is the national motto of England"
4,080,658,121 pages of I'm right and you're wrong.
Though, apparently, the English are considering a new motto.
Here are some actual suggestions:
"Once Great: Britain"
"Americans who missed the boat"
"At least we're not French"
"Dipso, fatso, bingo, ASBO, Tesco" (addresses the country's contemporary problems with alcohol, obesity, gambling, antisocial youth, and materialism)
"Get blotto, play the lotto, that's our motto" (my fave)