So that would give the author what, a maximum of two documented instances from civilized times? I could find way more than that about dragons, unicorns or something similarly imaginary.

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I want to go back to the moon.
I don't care which rocket you use, whichever one you pick, I'll like it, I swear.
"If you think the LHC will create black holes, you might as well believe Hobbits are at the bottom of your garden."- Dr. Mike Inglis
Rovers forever! - ToSeek