2000 B.C.

Events 2100 BC — Beginning of the Xia Dynasty, the first dynasty and government system in China.c. 2100–2050 BC — Nanna Ziggurat, Ur (modern Muqaiyir, Iraq) is built.2091 BC — Beginning of the mythological Patriarchal Age is traditionally set in this year.2080 BC — Ninth Dynasty wars in Egypt.2080 BC — First Intermediate Period of Egypt ends. Middle Kingdom starts in Ancient Egypt.2071 BC — Magh Ithe, first recorded battle in Ireland myths.2070 BC (disputable) — Yu the Great set up the Xia Dynasty,which isn't verified by archeological findings, some propose the Erlitou culture.2064–1986 BC — Twin Dynasty wars in Egypt.c. 2055 BC — End of First Intermediate Period of Egypt (another date is 2040 BC).c. 2055 BC — Middle Kingdom starts in Ancient Egypt (other date is 2040 BC).c. 2055 BC — Prince Mentuhotep II from Thebes manages to reunite Ancient Egypt (other date is 2040 BC).c. 2055 BC — Pharaoh Mentuhotep II starts to rule in Ancient Egypt2049 BC — Oak trees for Seahenge felled.c. 2040 BC — End of First Intermediate Period of Egypt. Start of Middle Kingdom. 11th–14th Dynasties.2040 BC — Pharaoh Merykare died. End of Tenth dynasty of Egypt. Pharaoh Mentuhotep II started to rule. Start of Eleventh Dynasty.2034–2004 BC — Ur-Amorite wars.c. 2009–1997 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.
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