The Great Pyramid of Giza, generally believed to have been built as the tomb of Pharaoh Khufu around 2575 B.C.E., is one of the Seven Wonders of the Ancient World. But what if it’s even older than that?
Alberto Donini, an engineer from the University of Bologna, recently applied a new dating system that he calls the “Relative Erosion Method” (REM) to the pyramid. Now, he’s claiming that his research suggests the famous landmark may have actually been built nearly 25,000 years ago.
When Was The Great Pyramid Of Giza Built? The Origins Of Egypt’s Ancient Wonder
Scientific studies of the pyramids at Giza have been ongoing for centuries, so the current timeline of their construction is widely accepted. As it stands, the Great Pyramid was seemingly built during the reign of Pharaoh Khufu, who ruled over Egypt from roughly 2589 B.C.E. to 2566 B.C.E. The Pyramid of Khafre came shortly thereafter, followed by the Pyramid of Menkaure.
This timeline was determined using both historical records and scientific study. Ancient authors like Herodotus wrote that Khufu had the Great Pyramid constructed as his tomb, noting that he “brought the people to utter misery” by making them transport impossibly heavy limestone blocks from quarries — possibly located hundreds of miles away — in order to erect the 481-foot structure. Exactly how they managed this remains a mystery to this day, though several promising theories have been put forth, such as the use of a ramp system.
Then, in the 1800s, archaeologists discovered graffiti inside the Great Pyramid that mentioned Khufu by name. It was seemingly scrawled by the workers who built the monument, adding another layer of evidence that the structure was built during that pharaoh’s reign.
Archaeologists later used scientific methods to date the pyramid. They radiocarbon dated the mortar used to secure the stone blocks, which was made using ashes and thus contained organic matter. These results suggested that the mortar was likely mixed between 2620 and 2484 B.C.E., once again aligning with the reign of Khufu.
With so much proof pointing to a construction date of roughly 2575 B.C.E., it seems unlikely that there’s any additional information out there that could significantly change the timeline. However, Alberto Donini claims that his research could completely rewrite this story.
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