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  2. Timeline of prehistory - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_prehistory

    v. t. e. This timeline of prehistory covers the time from the appearance of Homo sapiens approximately 315,000 years ago in Africa to the invention of writing, over 5,000 years ago, with the earliest records going back to 3,200 BC. Prehistory covers the time from the Paleolithic (Old Stone Age) to the beginning of ancient history.

  3. History of Earth - Wikipedia

    en.wikipedia.org/wiki/History_of_Earth

    Earth formed in this manner about 4.54 billion years ago (with an uncertainty of 1%) [25] [26] [4] and was largely completed within 10–20 million years. [27] In June 2023, scientists reported evidence that the planet Earth may have formed in just three million years, much faster than the 10−100 million years thought earlier.

  4. 5th millennium BC - Wikipedia

    en.wikipedia.org/wiki/5th_millennium_BC

    World map in 5000 BCE. The 5th millennium BC spanned the years [5000 BCE - 4000 BCE) (c. 7 ka to c. 6 ka), that is, inclusive of 5000 BCE but exclusive of 4000 BCE. It is impossible to precisely date events that happened around the time of this millennium and all dates mentioned here are estimates mostly based on geological and anthropological analysis.

  5. Holocene climatic optimum - Wikipedia

    en.wikipedia.org/wiki/Holocene_climatic_optimum

    Holocene climatic optimum. The Holocene Climate Optimum (HCO) was a warm period in the first half of the Holocene epoch, that occurred in the interval roughly 9,500 to 5,500 years BP, [1] with a thermal maximum around 8000 years BP. It has also been known by many other names, such as Altithermal, Climatic Optimum, Holocene Megathermal, Holocene ...

  6. Timelines of world history - Wikipedia

    en.wikipedia.org/wiki/Timelines_of_world_history

    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.

  7. Early world maps - Wikipedia

    en.wikipedia.org/wiki/Early_world_maps

    Early world maps. The earliest known world maps date to classical antiquity, the oldest examples of the 6th to 5th centuries BCE still based on the flat Earth paradigm. World maps assuming a spherical Earth first appear in the Hellenistic period. The developments of Greek geography during this time, notably by Eratosthenes and Posidonius ...

  8. 4th millennium BC - Wikipedia

    en.wikipedia.org/wiki/4th_millennium_BC

    The Older Peron transgression was a period identified in 1961 [11] happening between 6,000 and 4,600 years BP when sea levels were 3 to 5 metres higher than today. [ 12 ] 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.

  9. Early Holocene sea level rise - Wikipedia

    en.wikipedia.org/wiki/Early_Holocene_sea_level_rise

    The early Holocene sea level rise (EHSLR) was a significant jump in sea level by about 60 m (197 ft) during the early Holocene, between about 12,000 and 7,000 years ago, spanning the Eurasian Mesolithic. [1] The rapid rise in sea level and associated climate change, notably the 8.2 ka cooling event (8,200 years ago), and the loss of coastal ...