"Someone who heard the of the Messenger of Allah (blessings and peace of Allah be upon him) on the second of the days of at-Tashreeq told me that he said: “O people, verily your Lord is One and your father is one. Verily there is no superiority of an Arab over a non-Arab or of a non-Arab over an Arab, or of a red man over a black man, or of a black man over a red man, except in terms of . Have I conveyed the message?” They said: The Messenger of Allah (blessings and peace of Allah be upon him) has conveyed the message."
January 1, 1970
https://en.wikiquote.org/wiki/Medieval_Arab_attitudes_to_Black_people