No No, it wasn't Beverly Johnson, it was Donyale Luna.

So a lot of people, even me, have been faked out with the idea that the first black model on the cover of Vogue was Beverly Johnson, well, my good people, it was actually Donyale Luna to be on the cover of Vogue, Vogue UK to be exact. So in all actuality, Beverly Johnson was the first black model to be on the cover of US Vogue, not just any Vogue. Just saying.

March 1966

August 1974