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  2. Common Era - Wikipedia

    en.wikipedia.org/wiki/Common_Era

    Some publications have transitioned to using it exclusively. For example, the 2007 World Almanac was the first edition to switch to BCE/CE, ending a period of 138 years in which the traditional BC/AD dating notation was used. BCE/CE is used by the College Board in its history tests, [59] and by the Norton Anthology of English Literature. Others ...

  3. List of archaeological periods - Wikipedia

    en.wikipedia.org/wiki/List_of_archaeological_periods

    Neolithic c. 7500 BCE Iron Age Roman. Sub-Saharan Africa Sub-Saharan Africa: Earlier Stone Age Middle Stone Age Later Stone Age Neolithic c. 4000 BCE Bronze Age (3500 – 600 BCE) Iron Age (550 BC – 700 CE) Classic Middle Ages (c. 700 – 1700 CE) Asia Near East Levantine: Stone Age (2,000,000 – 3300 BCE) Bronze Age (3300 – 1200 BCE) Iron ...

  4. Before Present - Wikipedia

    en.wikipedia.org/wiki/Before_Present

    Conversion from Gregorian calendar years to Before Present years is by starting with the 1950-01-01 epoch of the Gregorian calendar and increasing the BP year count with each year into the past from that Gregorian date. For example, 1000 BP corresponds to 950 AD, 1949 BP corresponds to 1 AD, 1950 BP corresponds to 1 BC, 2000 BP corresponds to ...

  5. List of decades, centuries, and millennia - Wikipedia

    en.wikipedia.org/wiki/List_of_decades,_centuries...

    See calendar and list of calendars for other groupings of years. See history , history by period , and periodization for different organizations of historical events. For earlier time periods, see Timeline of the Big Bang , Geologic time scale , Timeline of evolution , and Logarithmic timeline .

  6. List of time periods - Wikipedia

    en.wikipedia.org/wiki/List_of_time_periods

    Prehistory – Period between the appearance of Homo ("humans"; first stone tools c. three million years ago) and the invention of writing systems (for the Ancient Near East: c. five thousand years ago). Paleolithic – the earliest period of the Stone Age Lower Paleolithic – time of archaic human species, predates Homo sapiens

  7. Anno Domini - Wikipedia

    en.wikipedia.org/wiki/Anno_Domini

    Since "BC" is the English abbreviation for Before Christ, it is sometimes incorrectly concluded that AD means After Death (i.e., after the death of Jesus), which would mean that the approximately 33 years commonly associated with the life of Jesus would be included in neither the BC nor the AD time scales.

  8. Wikipedia:Manual of Style/Dates and numbers - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Manual_of_Style/...

    traditionally 1571–1588 and traditionally 1571 – 1588 mean two different things, which may not be obvious to the reader. traditionally 1585 – c. 1590 can have two different meanings, and which one is meant may not be clear. 400 BCE – 200 clearly has BCE applying only to one endpoint

  9. Timeline of ancient history - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_ancient_history

    The date used as the end of the ancient era is arbitrary. The transition period from Classical Antiquity to the Early Middle Ages is known as Late Antiquity.Late Antiquity is a periodization used by historians to describe the transitional centuries from Classical Antiquity to the Middle Ages, in both mainland Europe and the Mediterranean world: generally from the end of the Roman Empire's ...