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  2. List of time periods - Wikipedia

    en.wikipedia.org/wiki/List_of_time_periods

    The categorisation of the past into discrete, quantified named blocks of time is called periodization. [1] This is a list of such named time periods as defined in various fields of study. These can be divided broadly into prehistorical periods and historical periods (when written records began to be kept).

  3. Timeline of prehistory - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_prehistory

    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.

  4. Prehistory - Wikipedia

    en.wikipedia.org/wiki/Prehistory

    The word "prehistory" first appeared in English in 1836 in the Foreign Quarterly Review. [16] The geologic time scale for pre-human time periods, and the three-age system for human prehistory, were systematised during the nineteenth century in the work of British, French, German, and Scandinavian anthropologists, archaeologists, and antiquarians.

  5. Timeline of the evolutionary history of life - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the...

    The timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet Earth. Dates in this article are consensus estimates based on scientific evidence , mainly fossils .

  6. List of archaeological periods - Wikipedia

    en.wikipedia.org/wiki/List_of_archaeological_periods

    East Asia Periods: Neolithic c. 7500 BCE Pengtoushan culture: North Asia North Asia Periods: Korea Korean Periods: Paleolithic c. 40,000/30,000 – c. 8000 BCE Jeulmun pottery period c. 8000 – 1500 BCE Mumun pottery period c. 1500 – 300 BCE Protohistoric period c. 300 BCE – 300/400 CE Three Kingdoms of Korea c. 300/400 – 668 CE . Japan ...

  7. Prehistoric demography - Wikipedia

    en.wikipedia.org/wiki/Prehistoric_demography

    Prehistoric demography, palaeodemography or archaeological demography is the study of human and hominid demography in prehistory. [ 1 ] More specifically, palaeodemography looks at the changes in pre-modern populations in order to determine something about the influences on the lifespan and health of earlier peoples.

  8. Three-age system - Wikipedia

    en.wikipedia.org/wiki/Three-age_system

    Jōmon pottery, Japanese Stone Age Trundholm sun chariot, Nordic Bronze Age Iron Age house keys Cave of Letters, Nahal Hever Canyon, Israel Museum, Jerusalem. The three-age system is the periodization of human prehistory (with some overlap into the historical periods in a few regions) into three time-periods: the Stone Age, the Bronze Age, and the Iron Age, [1] [2] although the concept may ...

  9. Timeline of natural history - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_natural_history

    The ages of more recent layers are calculated primarily by the study of fossils, which are remains of ancient life preserved in the rock. These occur consistently and so a theory is feasible. Most of the boundaries in recent geologic time coincide with extinctions (e.g., the dinosaurs) and with the appearances of new species (e.g., hominids).