In the 60’s I believe Race was listed as “color” or “Negro” on public forms. Just as white was Caucasian.
But African wasn’t a race and still isn’t a race. It’s a country.
Sorry, champ. Africa is not a country either. It’s a continent.
An explanation for “African” as race is at post #250.
http://www.freerepublic.com/focus/news/2711155/posts?page=250#250