1 E11 s

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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)
• 2,008 years -- time, in 2008, since the traditional date for the birth of Jesus Christ
• 3,200 years -- time since the Greek Dark Ages and the beginning of the Iron Age
• 3453 years -- time since The Exodus from Egypt
• 3,800 years -- time since alphabetic writing emerged
• 4200 years -- time (estimated) since the completion of Stonehenge.
• 4,500 years -- approximate time since the domestication of the horse
• 4567 years -- time, in 2007, since the building of the Great Pyramid at Giza.
• 4,700 years -- estimated age of oldest living plant, a bristle-cone pine
• 5,300 years -- time since Sumerians developed cuneiform writing (and thus the boundary between history and prehistory)
• 5,400 years -- time since Neolithic Age ended and Bronze Age began
• 5,715 years -- half-life of Carbon-14
• 6,010 years -- age of the earth (in 2006) according to the calculation of Bishop James Ussher
• 6,500 years [3500 in the Dutch version of Wikipedia] -- time since the invention of the wheel
• 7,370 years -- half life of americium-243
• 8,500 years -- half life of curium-245
• 11,000 years -- time since city of Jericho was founded
• 12,000 years -- time since end of Pleistocene Epoch
• 12,000 years -- time since beginning of Holocene Epoch
• 12,000 years -- time since beginning of Neolithic Age
• 12,000 years -- time since the land ice left Denmark and southern Sweden
• 20,000 years -- approximate age of the Ishango Bone, the oldest known tally stick
• 20,300 years -- half life of niobium-94
• 21,000 years -- time since the Last Glacial Maximum
• 24,110 years -- half life of plutonium-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 of Haplogroup X (mtDNA) and Haplogroup I (mtDNA)
• Longer times

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Last updated on Monday June 23, 2008 at 08:35:53 PDT (GMT -0700)
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