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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. List of living centenarians - Wikipedia

    en.wikipedia.org/wiki/List_of_living_centenarians

    The following is a list of living centenarians (living people who have attained the age of at least 100 years) known for reasons other than just their longevity.For more specific lists of people (living or deceased) who are known for these reasons, see lists of centenarians.

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

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

    List of decades, centuries, and millennia. The list below includes links to articles with further details for each decade, century, and millennium from 15,000 BC to AD 3000. Century. Decades. 15th millennium BC · 15,000–14,001 BC. 14th millennium BC · 14,000–13,001 BC. 13th millennium BC · 13,000–12,001 BC. 12th millennium BC · 12,000 ...

  5. 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 ...

  6. Holocene calendar - Wikipedia

    en.wikipedia.org/wiki/Holocene_calendar

    The Holocene calendar, also known as the Holocene Era or Human Era (HE), is a year numbering system that adds exactly 10,000 years to the currently dominant (AD/BC or CE/BCE) numbering scheme, placing its first year near the beginning of the Holocene geological epoch and the Neolithic Revolution, when humans shifted from a hunter-gatherer lifestyle to agriculture and fixed settlements.

  7. Century - Wikipedia

    en.wikipedia.org/wiki/Century

    According to the strict construction, the 1st century AD, which began with AD 1, ended with AD 100, and the 2nd century with AD 200; [note 1] in this model, the n-th century starts with a year that follows a year with a multiple of 100 (except the first century as it began after the year 1 BC) and ends with the next coming year with a multiple ...

  8. Orders of magnitude (time) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(time)

    2.5 Gs: (79 a): The typical human life expectancy in the developed world 3.16 Gs: (100 a): One century 31.6 Gs: (1000 a, 1 ka): One millennium, also called a kilo-annum (ka) 63.8 Gs: The approximate time since the beginning of the Anno Domini era as of 2019 – 2,019 years, and traditionally the time since the birth of Jesus Christ

  9. Longevity myths - Wikipedia

    en.wikipedia.org/wiki/Longevity_myths

    Bhagiratha did tapas for 1000 deva or god years (360,000 years in Human years) to please Ganga, to gain the release of his 60,000 great-uncles from the curse of saint Kapila. So, Bhagiratha lived for more than 360,000 years. [33] The Hindu god Krishna is said to have lived for 125 years and 8 months from 3228 BCE to 3102 BCE.