The Egyptians took black Africans as slaves. At one time Nubians, who were black, briefly ruled Egypt.
“At one time Nubians, who were black, briefly ruled Egypt.”
Rameses II hated the Nubians so much that he had one painted on each of the soles of his sandals so that he could tread on them wherever he walked. Egyptians are painted tan and Nubians black.