The Egyptian Empire started around 5000 BC and the first what would be considered non-nubians came into the picture around 2600 BC. Rulership switched between Black people, what would would call dark/brown skinned non-blacks who took on black and or mixed wives and ultimately cacs,who did similar towards the End of the empire in the 700's 600's BC.You see all these people getting into pissing contests on the net, mostly between the pro-black people and the white supremacists side, cherry picking facts when it suits them best.
Yet, neither of them are completely correct.
Egypt had a total of 31 different dynasties over a 3000 year period. You had black led dynasties such as the Nubian/Kush led dynasties such as the twenty-fifth dynasty
Twenty-fifth Dynasty of Egypt - Wikipedia, the free encyclopedia
You also had Macedonian white Greeks rule at one time with Ptolomy's
Ptolemaic dynasty - Wikipedia, the free encyclopedia
Ancient Egypt was not a mono-racial empire.
Stop acting like it was. That is your PSA for today.
Its inception was black and lasted for close to 3000 years before everyone else came in and fukked it up basically.