1662 Thomas Salusbury,Galileo's Dialogue Concerning the Two Chief World Systems (Dialogue 2):
Amongstmundane bodies, six there are that do perpetually move, and they are the six Planets; of the rest, that is, of the Earth, Sun, and fixed Stars, it is disputable which of them moveth, and which stands still.
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1959 December 1, Ron Bennett,Skyrack[1], number10:
THE LIVERPOOL PARTY at Pat and Frank Milnes’ celebrated both the Gunpowder Plot and the Liverpool Club’s 400th and something meeting. Twomundane and non-fan friends of the hosts - women, too - played brag all night and Norman Weedall disappeared at 3 a.m.
1989 Spring, Lawrence Person, “Fear and Loathing in New Orleans: A Savage Journey Into the Heart of American Fandom”, inNova Express, volume 2, number 3 (whole number #7), page10:
The Demon Barber and I played Shock theMundanes. The door would open up and we would start a sentence in mid-imaginary conversation, like—‘Of course, they never found the body.’
1996, Angel of Death, “furries vs. mundanes”, inalt.fan.furry (Usenet):
Some people just think your[sic] a sicko or something for enjoying the art. I know that alot[sic] of the time, I would rather see some nice nude furrygirls instead of pictures of nudemundanes.