The 23rd century BC was a century that lasted from the year 2300 BC to 2201 BC.
Ruins of the pyramid complex of Pepi II , possibly the longest reigning monarch in recorded history
2334 BC – 2279 BC: (short chronology ) Sargon of Akkad 's conquest of Mesopotamia .
c. 2300 BC: Indus Valley civilisation (Harappan) flourishing in modern-day eastern Pakistan - western India .
c. 2300 BC: Metals start to be used in Northern Europe .
c. 2300 BC: Unetice culture emerges in the modern day Czech Republic .
c. 2300 BC: Canal Bahr Yusuf (current name) is created when the waterway from the Nile to the natural lake (now Lake Moeris ) is widened and deepened to create a canal.
c. 2300 BC – 2200 BC: "Head of a man from Nineveh " (modern Kuyunjik , Iraq ) is made. It is now in Iraq Museum , Baghdad .
c. 2300 BC – 2184 BC : Disk of Enheduanna , from Ur , (modern Muqaiyir , Iraq ) is made. It is now in University of Pennsylvania Museum of Archaeology and Anthropology , University of Pennsylvania , Philadelphia .
c. 2300–2250 BC, reigns of Pepi I Meryre and Merenre Nemtyemsaf I , beginning of Pepi II Neferkares ' rule, all of the Sixth Dynasty of Egypt .
c. 2288 BC: "Queen Merye-ankhnes and her son Pepy II" is sculpted, Sixth dynasty of Egypt . The alabaster statuette is now at The Brooklyn Museum of Art , New York .
c. 2285 BC: Enheduanna , high priestess of the moon god Nanna in Ur , was born.
c. 2254 BC – 2218 BC: Stela of Naram-Sin , probably from Sippar , discovered in Susa (modern Shush , Iran ), is made. It is now in Musée du Louvre , Paris .
c. 2250 BC: The beginning of the Meghalayan Stage , the last of the three stages of the Holocene .[1] [2]
c. 2250 BC: Earliest evidence of maize cultivation in Central America .
c. 2240 BC: Akkad , capital of the Akkadian Empire , becomes the largest city in the world, surpassing Memphis , capital of Egypt .[3]
c. 2220 BC: Scord of Brouster farmstead established in Shetland , Scotland
c. 2220 BC: Mount Edgecumbe (Alaska) volcano erupts near present-day Sitka, Alaska .
c. 2215 BC: A Guti army swept down from the Zagros Mountains and defeated the demoralized Akkadian army. They took Agade , the capital of Akkad , and destroyed it thoroughly.
c. July 2215 BC: Comet Hale-Bopp visits the inner solar system and would not return until the year AD 1997.