View source for 21st century BC

{{Centurybox|-21}}
The '''21st century BC''' is a [[century]] which lasted from the year 2100 BC to 2001 BC.

== Events ==
[[Image:Khashkhamer seal moon worship.jpg|thumb|right|Ur-Nammu (seated) gives governorship to Ḫašḫamer]]


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* 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 of Egypt|Ninth Dynasty]] wars in [[Egypt]].
* 2080 BC: [[First Intermediate Period of Egypt]] ended. [[Middle Kingdom of Egypt|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 – [[20th century 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, Egypt|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 [[Merikare|Merykare]] died. End of [[Tenth dynasty of Egypt]]. Pharaoh [[Mentuhotep II]] started to rule. Start of [[Eleventh dynasty of Egypt|Eleventh Dynasty]].
* 2034 BC – 2004 BC: [[Ur]]–[[Amorite]] wars.
* c. 2009 BC – [[20th century BC|1997]] BC: Funerary temple of [[Mentuhotep III]] was built. [[Eleventh dynasty of Egypt|Eleventh Dynasty]].
* 2004 BC: [[Elamite Empire|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==

* According to [[Abrahamic religions|Abrahamic religious tradition]], the era of the [[Patriarchal age|Patriarch]] [[Abraham]] (however, other dates include 19th century BC, and/or 17th century through 15th century BC)
* According to [[Hindu]] tradition, lifetime of [[Rama]], the 7th [[Avatar]] of [[Vishnu]]

== 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

[[Category:21st century BC| ]]