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21st century BC facts for kids

Kids Encyclopedia Facts
Millennium: 3rd millennium BC
Centuries: 22nd century BC · 21st century BC · 20th century BC
Decades: 2090s BC 2080s BC 2070s BC 2060s BC 2050s BC
2040s BC 2030s BC 2020s BC 2010s BC 2000s BC
Categories: Births – Deaths
Establishments – Disestablishments

The 21st century BC is a century which lasted from the year 2100 BC to 2001 BC.


Khashkhamer seal moon worship
Ur-Nammu (seated) gives governorship to Ḫašḫamer
  • c. 2100 BC – c. 2050 BC: Nanna Ziggurat, Ur (modern Muqaiyir, Iraq) was built.
  • 2091 BC: Beginning of the Patriarchal Age was traditionally set in this year.
  • 2080 BC: Ninth Dynasty wars in Egypt.
  • 2080 BC: First Intermediate Period of Egypt ended. Middle Kingdom began in Ancient Egypt.
  • 2071 BC: Magh Ithe, first recorded battle in Ireland myths.
  • 2070 BC (disputable): Yu the Great set up the Xia Dynasty.
  • c. 2064 BC – 1986 BC: Twin Dynasty wars in Egypt.
  • c. 2055 BC: End of First Intermediate Period of Egypt.
  • c. 2055 BC: Middle Kingdom began in Ancient Egypt.
  • c. 2055 BC: Mentuhotep II from Thebes got Ancient Egypt together. He began to rule (other date is 2040 BC).
  • c. 2055 BC – 1985 BC: Funerary Stele of Amenemhat I was made. Eleventh Dynasty of Egypt. Excavated in 1915–1916. It is now kept in Egyptian Museum, Cairo. The Metropolitan Museum of Art, New York City.
  • c. 2049 BC: Oak trees for Seahenge felled.
  • 2040 BC: Beginning of the Xia Dynasty, the first dynasty and government system in China.
  • 2040 BC: Pharaoh Merykare died. End of Tenth dynasty of Egypt. Pharaoh Mentuhotep II started to rule. Start of Eleventh Dynasty.
  • 2034 BC – 2004 BC: UrAmorite wars.
  • c. 2009 BC – 1997 BC: Funerary temple of Mentuhotep III was built. Eleventh Dynasty.
  • 2004 BC: Elamite destruction of Ur.
  • c. 2004 BC: Pharaoh Mentuhotep II, Eleventh dynasty of Egypt dies.
  • c. 2000 BC: Aegean Bronze Age ended.

Significant persons

  • Ur-Nammu, 3rd dynasty of Ur
  • Shulgi of Urim

Legendary people

Inventions, discoveries, introductions

  • 2100 BC—Earliest law code in Mesopotamia, the Code of Ur-Nammu
  • 2037 BC—Emperor Shen Nong makes first (perhaps mythical) tea drink by boiling fresh leaves

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21st century BC Facts for Kids. Kiddle Encyclopedia.