The first famous pharaoh of the Old Kingdom was Djoser (2630–2611 BC) of the Third Dynasty who ordered the construction of the first pyramid (the Step Pyramid) in Memphis's new necropolis, Saqqara.
Sneferu was succeeded by his (in)famous son, Khufu (2551–2528 BC), who built the Great Pyramid of Giza.
The later kings of the Fourth dynasty were Menkaura (2494–2472 BC), who built the smallest pyramid in Giza, and Shepseskaf (2472–2467 BC).
The first famous pharaoh of the Old Kingdom was Djoser (2630–2611 BC) of the Third Dynasty, who ordered the construction of the first pyramid (the Step Pyramid) in Memphis' new necropolis, Saqqara.
The final blow was a sudden and short-lived cooling in the region that resulted in a drastic drop in precipitation between 2200 and 2100 BC, which in turn prevented the normal flooding of the Nile.
An inscription on the tomb of Ankhtifi, a leader of the First Intermediate Period, describes the state of the country at the end of the Old Kingdom: All of Upper Egypt was dying of hunger and people were eating their children...