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4th millennium BC
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Everything about The 4th Millennium Bc totally explained

The 4th millennium BC saw major changes in human culture. It marks the beginning of the Bronze Age and of writing.
   The city states of Sumer and the kingdom of Egypt are established and grow to prominence. Agriculture spreads widely across Eurasia. World population in the course of the millennium doubles, approximately from 7 to 14 million people.

Events

Cultures

  • Europe
  • The Trypillian culture has cities with 15,000 citizens 5508-2750 BC.
  • Mesopotamia
  • Neolithic Europe and Western Eurasia
  • Indian subcontinent
  • Africa
    • Naqada culture on the Nile, 4000–3000 BC. First hieroglyphs appear thus far around 3500 BC as found on labels in a ruler's tomb at Abydos.
    • Nok culture, situated at the confluence of the Niger and Benue rivers
  • Asia
    • Neolithic Chinese settlements. They produced silk and pottery (chiefly the Yangshao and the Lungshan cultures), wore hemp clothing, and domesticated pigs and dogs.
    • Vietnamese Bronze Age culture. The Đồng Đậu Culture, 4000-2500 BC, produced many wealthy bronze objects.

    Environmental changes

    Based on studies by glaciologist Lonnie Thompson (professor at Ohio State University and researcher with the Byrd Polar Research Center) (External Link) a number of indicators shows there was a global change in climate 5,200 years ago:
  • The climate was altered suddenly with severe impacts.
  • Plants buried in the Quelccaya Ice Cap in the Peruvian Andes demonstrate the climate had shifted suddenly and severely to capture the plants and preserve them until now.
  • A man trapped in an Alpine glacier ("Ötzi the Iceman") is frozen until his discovery in 1991.
  • Tree rings from Ireland and England show this was their driest period.
  • Ice core records showing the ratio of two oxygen isotopes retrieved from the ice fields atop Africa’s Mount Kilimanjaro, a proxy for atmospheric temperature at the time snow fell.
  • Major changes in plant pollen uncovered from lakebed cores in South America.
  • Record lowest levels of methane retrieved from ice cores from Greenland and Antarctica.
  • End of the Neolithic Subpluvial, start of desertification of Sahara (35th century BC). North Africa shifts from a habitable region to a barren desert.
  • Disastrous floods in Mesopotamian region.

    Significant persons

  • Ötzi the Iceman lived c. 3300 BC.
  • Predynastic pharaohs, Tiu, Thesh, Hsekiu, Wazner
  • Early Dynastic Period pharaohs, Ro, Serket, Narmer

    Inventions, discoveries, introductions

  • c. 4000 BCpotter's wheel in Sumer.
  • 4000 BC — Susa is a center of pottery production.
  • c. 4000 BC - Horses are domesticated in Ukraine.
  • 3500 BC2340 BC; Sumer: wheeled carts, potter's wheel, White Temple ziggurat, bronze tools and weapons.
  • c. 3250 BC - potter's wheel appears in Ancient Near East.
  • 3500 BC — The Plough is invented in the Near East.
  • 3000 BCTin is in use in Mesopotamia soon after this time.
  • Beginnings of urbanisation in Mesopotamia in Sumer and Egypt.
  • First writings in the cities of Uruk and Susa (cuneiform writings). Hieroglyphs in Egypt.
  • Kurgan culture of what is now Southern Russia and Ukraine; possible domesticates the horse.
  • Sails used in the Nile.
  • Construction in England of the Sweet Track, the World's first known engineered roadway.
  • Drainage and sewerage system in India.
  • Dams, canals, stone sculptures using inclined plane and lever in Sumer.
  • Copper was in use, both as tools and weapons.
  • Bronze was in use, specifically by the Maykop culture.
  • Mastabas, the predecessors of the Egyptian pyramids.
  • The earliest phase of the Stonehenge monument (a circular earth bank and ditch) dates to c. 3100 BC.
  • The Céide Fields in Ireland, arguably the oldest field system in world, are developed.
  • Sumerian writing, done on clay tablets, shows about 2,000 pictographic signs
  • White painted pottery in Egypt and southeastern Europe
  • Harps and flutes played in Egypt
  • Copper alloys used by Egyptians and Sumerians; smelting of gold and silver known.
  • Lyres and double clarinets (arghul, mijwiz) played in Egypt
  • Earliest known numerals in Egypt
  • Linen is produced in the Middle East

    Mythology

  • Korean mythology: According to Silla scholar Bak Jesang, the state Hwanguk collapsed around 3898 BC.
  • Jewish chronology dates Creation to September 25 or March 29 3760 BC.
  • Hindu mythology traditionally dates the events of the Mahabharata around 3137 BC, 35 years prior to the death of Krishna and the epoch start of the Kali Yuga.
  • The Maya calendar dates the Creation of the Earth to August 11 or August 13, 3114 BC (establishing that date as day zero of the Long Count 13.0.0.0.0).
  • According to Hindu mythology, the Epoch of the Kali Yuga occurred at midnight (00:00) on 18 February 3102 BC, the traditional death of Krishna.

    Centuries

  • 40th century BC
  • 39th century BC
  • 38th century BC
  • 37th century BC
  • 36th century BC
  • 35th century BC
  • 34th century BC
  • 33rd century BC
  • 32nd century BC
  • 31st century BC

    External references

  • 3200 BC Climate Change

    Further Information

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