Lol, in their post asking anthropologists about indentifying someone's "true gender" through remains, one of them says "it's possible to identify a transgender through mismatch of their skeleton and burial technique, but I don't know of any point where this has happened."

Exactly, because it hasn't ever happened. This trans movement didn't exist before the 90s. The closest thing there ever was were evil experiments to "cure" homosexuality by transitioning homosexuals, generally men.

And there was that one viking ship where a female was given a very honorable burial more traditionally gifted to men, but that's because they honored her for her strength in battle, not because she identified as male