What makes a tuning historic? In terms of this page, it's a bit of guesswork really! See also the Content FAQ.
I mean, if it's lute or therobo tunings you're after, they're all historic aren't they? Um, but people are playing lutes and writing new lute music right now. Don't they count?
So we'll just stick to the three pillars of TOEOT: Content, content and content.