"we shall have to start rewriting the history of mankind after today"

[albrecht]

He hypothesized that this would be necessary.
http://www.dw.com/en/archaeologist-lutz-we-really-werent-expecting-this-tremendous-discovery/a-41053363
http://www.dw.com/en/archaeology-fossil-teeth-discovery-in-germany-could-re-write-human-history/a-41028029

Earlier (though about that lived MUCH later) it was confirmed that Egyptians weren't "black," contrary to many a rappers/activists or t-shirt claims.
http://www.cbc.ca/news/technology/first-genome-ancient-egyptians-1.4138156

[Jackstar]

we shall have to start rewriting the history of mankind after today"

... start?

[Lord Grantham]

https://en.wikipedia.org/wiki/Twenty-fifth_Dynasty_of_Egypt

Towards the end there was a Nubian dynasty. But it wasn't during the peak of Egyptian civilization.