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The first known mass extinction was the Great Oxidation Event 2.4 billion years ago, which killed most of the planet's obligate anaerobes. Researchers have identified five other major extinction events in Earth's history, with estimated losses below: [ 11 ]
Archaeologists found a 3,500-year-old tablet inscribed with a massive furniture order in cuneiform writing. The artifact surfaced after earthquakes occurred in Turkey.
These timelines of world history detail recorded events since the creation of writing roughly 5000 years ago to the present day. For events from c. 3200 BC – c. 500 see: Timeline of ancient history; For events from c. 500 – c. 1499, see: Timeline of post-classical history; For events from c. 1500, see: Timelines of modern history
Geologic time is the timescale used to calculate dates in the planet's geologic history from its origin (currently estimated to have been some 4,600 million years ago) to the present day. Radiometric dating measures the steady decay of radioactive elements in an object to determine its age. It is used to calculate dates for the older part of ...
Neanderthals completely driven out. There will be little human occupation of any kind for many thousands of years. c. 160,000 BP A second megaflood widens the break in the Weald-Artois Anticline. [9] c. 130,000 BP Ipswichian Interglacial begins. c. 125,000 BP Rising sea levels cut Britain off completely from the continent.
3500 BC to 3000 BC The end of the Neolithic Subpluvial era and return of extremely hot and dry conditions in the Sahara Desert, hastened by the 5.9 kiloyear event and the Piora Oscillation. 3500 BC 3200 BC Gerzeh/Naqada II culture in Egypt 3200 BC 3000 BC Naqada III and Protodynastic Period of Egypt: 3100 BC 2686 BC Early Dynastic Period of Egypt.
c. 3500 BC: The first monument of which there is still a trace (Duma na nGiall) is built on the Hill of Tara, the ancient seat of the High King of Ireland. [2] c. 3500 BC: Tin is discovered. c. 3500 BC: The Eruption of Mount Isarog in the Philippines. [3] c. 3500 BC: The Sumerians develop a logographic script, cuneiform
Adams Synchronological Chart or Map of History, originally published as Chronological Chart of Ancient, Modern and Biblical History is a wallchart which graphically depicts a Biblical genealogy alongside a timeline composed of historic sources from the history of humanity from 4004 BC to modern times.