Home > 1 E11 s

• Shorter times
• 3,760 years -- time since alphabetic writing emerged
• 3,800 years -- time since Bronze Age ended and Iron Age began
• 4,500 years -- time since horse domesticated in China
• 5,300 years -- time since Sumerians developed cuneiform writing
• 5,400 years -- time since Neolithic Age ended and Bronze Age began
• 5,715 years -- half-life of Carbon-14
• 7,370 years -- half life of americium-243
• 8,500 years -- half life of curium-245
• 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 HoloceneThe Holocene Epoch is a geologic period that extends from the present back about 10,000 radiocarbon years. The beginning of the Holocene was punctuated by the Younger Dryas cold period, the final part of Pleistocene epoch. The end of the Younger Dryas has Epoch
• 12,000 years -- time since beginning of Neolithic Age
• 12,000 years -- time since the land iceFor the animated movie, see Ice Age (movie . For the band, see Ice Age (band . An ice age is a period of long-term downturn in the temperature of Earth's climate, resulting in an expansion of the polar ice caps and mountain glaciers (" glaciation"). Glaci left DenmarkKongeriget Danmark ( In Detail) Motto of the Queen: Guds hjaelp, Folkets kaerlighed, Danmarks styrke (English: God's help, the love of the people, Denmark's strength) Official language Danish Capital Copenhagen Kobenhavn Monarch Margrethe II Prime Ministe and southern SwedenThe Kingdom of Sweden Konungariket Sverige in Swedish) is a Nordic country in Scandinavia, in Northern Europe. It is bordered by Norway on the west, Finland on the northeast, the Skagerrak and the Kattegat on the southwest, and the Baltic Sea and the Gulf
• 20,300 years -- half life of niobiumNiobium (or columbium is a chemical element in the periodic table that has the symbol Nb and atomic number 41. A rare, soft, gray, ductile transition metal, niobium is found in niobite and used in alloys. The most notable alloys are used to make special s-94
• 24,110 years -- half life of plutoniumPlutonium is a radioactive, metallic, chemical element. It has the symbol Pu and the atomic number 94. Its atomic weight is 244. 06, its density 19,800 kg/m3. It is the element used in most modern nuclear weapons. The most important isotope of plutonium i-239
• Longer times