But there were just 2 genders in 1990/2000.
2, Hermaphrodite & Intersex have been around for a looooooooong time. as I assume you mean sex (languages changes, gender these days doesn't mean physical/biological sex anymore)
3, your nick is pretty relevant in this case.
Of course I'm open to debate point 2, as I can surely be wrong. but it still has nothing to do with this conversation ;)