Wikipedians have been doing an amazing job at expanding content about nonbinary gender, especially biographies of nonbinary people. In some aspects, surpassing the nonbinary.wiki. I've been having a great time learning about Claude Cahun (a Jewish surrealist artist who was a resistance activist against the Nazis in WWII) and many other amazing nonbinary people from history. Have fun exploring:
* https://en.wikipedia.org/wiki/List_of_people_with_non-binary_gender_identities
* https://en.wikipedia.org/wiki/Category:Non-binary_people_by_occupation