Wikipedia: 1e11 s

Difference (from prior major revision) (minor diff, author diff)

Changed: 4,9c4,10

* 3,760 years ago -- Alphabetic writing emerges
* 3,800 years ago -- Bronze Age ends, Iron Age begins
* 4,500 years ago -- horse domesticated in China
* 5,300 years ago -- Sumerians develop cuneiform writing
* 5,400 years ago -- Neolithic Age ends, Bronze Age begins
* 10,000 years ago -- city of Jericho founded

* 3,760 years -- time since alphabetic writing emerges
* 3,800 years -- time since Bronze Age ends, Iron Age begins
* 4,500 years -- time since horse domesticated in China
* 5,300 years -- time since Sumerians develop cuneiform writing
* 5,400 years -- time since Neolithic Age ends, Bronze Age begins
* 6,000 years -- half-life of Carbon-14
* 10,000 years -- time since city of Jericho founded

Changed: 12c13,14

* 12,000 years ago -- Neolithic Age begins

* 12,000 years -- time since beginning of Neolithic Age
* 12,000 years -- time since the land ice left Denmark and southern Sweden

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)

shorter times
3,760 years -- time since alphabetic writing emerges
3,800 years -- time since Bronze Age ends, Iron Age begins
4,500 years -- time since horse domesticated in China
5,300 years -- time since Sumerians develop cuneiform writing
5,400 years -- time since Neolithic Age ends, Bronze Age begins
6,000 years -- half-life of Carbon-14
10,000 years -- time since city of Jericho founded
10,000 years -- time since end of Pleistocene Epoch
10,000 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
longer times