- 1 E11 s
To help compare
orders of magnitude of different times this page lists times between 1011 seconds and 1012 seconds (3,200 years and 32,000 years) "See also" times of other orders of magnitude.* Shorter times (see also
2nd millennium BC )
* 3,200 years -- time since theGreek Dark Ages and the beginning of theIron Age
* 3453 years -- time sinceThe Exodus from Egypt
* 3,800 years -- time since alphabetic writing emerged
* 4200 years -- time (estimated) since the completion ofStonehenge .
* 4,500 years -- approximate time since thedomestication of the horse
* 4568 years -- time, in2008 , since the building of theGreat Pyramid at Giza.
* 4,700 years -- estimated age of oldest living plant, a bristle-cone pine
* 5,300 years -- time sinceSumeria ns developed cuneiform writing (and thus the boundary between history and prehistory)
* 5,400 years -- time since Neolithic Age ended andBronze Age began
* 5,715 years --half-life of Carbon-14
* 6,012 years -- age of the earth (in 2008) according to the calculation of BishopJames Ussher
* 6,500 years [3500 in the Dutch version of Wikipedia] -- time since the invention of thewheel
* 7,370 years -- half life ofamericium -243
* 8,500 years -- half life ofcurium -245
* 11,000 years -- time since city ofJericho was founded
* 12,000 years -- time since end ofPleistocene Epoch
* 12,000 years -- time since beginning ofHolocene Epoch
* 12,000 years -- time since beginning ofNeolithic Age
* 12,000 years -- time since the land ice leftDenmark and southernSweden
* 20,000 years -- approximate age of theIshango Bone , the oldest knowntally stick
* 20,300 years --half life ofniobium -94
* 21,000 years -- time since theLast Glacial Maximum
* 24,110 years --half life ofplutonium -239
* 25,000 years -- time since the first colonisation of North America
* 29,000 years -- time since the extinction of "Homo neanderthalensis ".
* 30,000 years -- approximate age ofHaplogroup X (mtDNA) andHaplogroup I (mtDNA)
* Longer times
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