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4.2-kiloyear event: A severe aridification event that probably lasts the entire 22nd century BC and causes the collapse of several Old World civilizations. 2217 BC –2193 BC: Nomadic invasions of the Mesopotamian city of Akkad. c. 2200 BC: Austronesians reach the Batanes Islands of the Philippine Archipelago as part of the Austronesian Expansion.
- 23rd Century BC
The 23rd century BC was a century that lasted from the year...
- 21st Century BC
The 21st century BC was a century that lasted from the year...
- 23rd Century BC
The 22nd century BC drought marks the end of the Umm Al Nar culture and the change to the Wadi Suq culture. A study of fossil corals in Oman provides evidence that prolonged winter shamal seasons, around 4200 years ago, led to the salinization of the irrigated field, which made a dramatic decrease in crop production trigger a widespread famine ...
32nd century BC: 31st century BC: 3rd millennium BC · 3000–2001 BC 30th century BC: 29th century BC: 28th century BC: 27th century BC: 26th century BC: 25th century BC: 24th century BC: 23rd century BC: 22nd century BC: 21st century BC: 2nd millennium BC · 2000–1001 BC 20th century BC: 19th century BC: 18th century BC: 1790s BC: 1780s BC ...
4.2 kiloyear event – the land became very dry, an event that probably lasted the entire 22nd century BC and caused the end of several Old World civilizations. 2217 BC – 2193 BC: Nomadic invasions of Akkad. 2200 BC: Sixth dynasty of Egypt ended. c. 2190 BC: Caused by a severe drought, Old Kingdom finished in Ancient Egypt.
- 23rd century BC, 22nd century BC, 21st century BC
Astronomical predictions for the 22nd century. Solar eclipses. June 25, 2150: a total solar eclipse with longer than 7 minutes of totality. This will be the first time this has happened in 177 years. July 5, 2168: 7 minutes 26 seconds of totality. July 16, 2186: 7 minutes 29 seconds (close to the theoretical maximum).
- 21st century, 22nd century, 23rd century
22nd-century BC Egyptian people (1 C) M. 22nd-century BC monarchs (3 C, 7 P) W. 22nd-century BC writers (1 P) This page was last edited on 13 April 2020, at ...
Nov 4, 2022 · The 4.2-kiloyear BP aridification event was one of the most severe climatic events of the Holocene epoch. It defines the beginning of the current Meghalayan age in the Holocene epoch. Starting around 2200 BC, it probably lasted the entire 22nd century BC. It has been hypothesised to have caused the collapse of the Old Kingdom in Egypt as well as the Akkadian Empire in Mesopotamia, and the ...
