23rd century BC

Millennium:	3rd millennium BC
Centuries:	24th century BC 23rd century BC 22nd century BC
Timelines:	24th century BC 23rd century BC 22nd century BC
State leaders:	24th century BC 23rd century BC 22nd century BC
Decades:	2290s BC 2280s BC 2270s BC 2260s BC 2250s BC 2240s BC 2230s BC 2220s BC 2210s BC 2200s BC
Categories:	Births – Deaths Establishments – Disestablishments

The 23rd century BC was a century which lasted from the year 2300 BC to 2201 BC.

Events

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 Civilization (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. 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. 2278 BC: Pharaoh Pepi II starts to rule (probably).
• 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.
• 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.
• 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.