This body was only discovered in 1898, This is the dead body of Ramses II, the Egyptian Pharaoh in the era of Prophet Moses (Musa) (Peace Be Upon Him). Its age is approximately 3000 years old and it was found by the Red Sea and is now on display in the Royal Mummies Museum in Cairo.
But the Quran existed nearly 1400 years ago.
“Today we will preserve your body so you can be a sign for people who come after you. Surely many people are heedless of our signs.”
“This is a proclamation for the people, to be warned herewith, and to let them know that He is only one God, and for those who possess intelligence to take heed.”