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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 time periods - Wikipedia

    en.wikipedia.org/wiki/List_of_time_periods

    Ancient history – Aggregate of past events from the beginning of recorded human history and extending as far as the Early Middle Ages or the Postclassical Era. The span of recorded history is roughly five thousand years, beginning with the earliest linguistic records in the third millennium BC in Mesopotamia and Egypt .

  4. List of archaeological periods (North America) - Wikipedia

    en.wikipedia.org/wiki/List_of_archaeological...

    c. 11,000 – 7000 BCE, NW California Folsom tradition: c. 10800 – 10200 BCE Dalton tradition: c. 8500 – 7900 BCE Archaic period, (Archaic stage) (8000 – 1000 BCE) by Time Period Early Archaic 8000 – 6000 BCE Plano cultures: 9,000 – 5,000 BCE Paleo-Arctic tradition: 8000 – 5000 BCE Maritime Archaic: Red Paint People: 3000 – 1000 ...

  5. Category:Centuries - Wikipedia

    en.wikipedia.org/wiki/Category:Centuries

    The AD/BC notation does not use a year zero; however, astronomical year numbering does use a minus sign, so '2 BC' is equal to 'year -1', '1 BC' is equal to astronomical 'year 0', and so forth. In the Gregorian system , the Nth century AD starts in the year (N-1)*100+1 and ends in year N*100, so for example, the 16th century begins on January 1 ...

  6. List of Classical Age states - Wikipedia

    en.wikipedia.org/wiki/List_of_Classical_Age_states

    Classical Antiquity is a period in the history of the Near East and Mediterranean, extending roughly from the 8th century BC to the 6th century AD.It is conventionally taken to begin with the earliest-recorded Greek poetry of Homer (8th–7th century BC), and continues through the emergence of Christianity and the decline of the Roman Empire in the 5th to 6th centuries, the period during which ...

  7. 1st century BC - Wikipedia

    en.wikipedia.org/wiki/1st_century_BC

    The 1st century BC, also known as the last century BC and the last century BCE, started on the first day of 100 BC and ended on the last day of 1 BC. The AD/BC notation does not use a year zero; however, astronomical year numbering does use a zero, as well as a minus sign, so "2 BC" is equal to "year –1". 1st century AD (Anno Domini) follows.

  8. List of timelines - Wikipedia

    en.wikipedia.org/wiki/List_of_timelines

    Timeline of Roman history (754 BCE - 1453 CE) Timeline of LGBT history (25th century BCE – present) List of lesbian, gay, bisexual, or transgender firsts by year (1867 – present) Timeline of same-sex marriage (1989 CE–present) Chronology of European exploration of Asia (330 BCE–1595 CE) Timeline of the Middle Ages (410 CE – 1499)

  9. All of this applies to spaces and BC/BCE labels in all of the patterns. Examples: 100 BC, 100 B.C, 100 BCE, 100 BC, etc. Year ranges If there is a range of years BC, convertors should recognise both numbers as years BC. The range may have different kinds of dashes in the middle. On either side of the dash there may be up to one space.