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  2. Detailed logarithmic timeline - Wikipedia

    en.wikipedia.org/wiki/Detailed_logarithmic_timeline

    Visual representation of the Logarithmic timeline in the scale of the universe. This timeline shows the whole history of the universe, the Earth, and mankind in one table. . Each row is defined in years ago, that is, years before the present date, with the earliest times at the top of the ch

  3. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    2 148 and 2/3 of a year: A superstitious unit of time used in astrology, each of them representing a star sign. terasecond: 10 12 s: About 31,709 years. megaannum: 10 6 yr: Also called "megayear". 1000 millennia (plural of millennium), or 1 million years (in geology, abbreviated as Ma). petasecond: 10 15 s: About 31 709 791 years. galactic year ...

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

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

    11th millennium BC · 11,000–10,001 BC 10th millennium BC · 10,000–9001 BC 9th millennium BC · 9000–8001 BC 8th millennium BC · 8000–7001 BC 7th millennium BC · 7000–6001 BC 6th millennium BC · 6000–5001 BC 5th millennium BC · 5000–4001 BC 4th millennium BC · 4000–3001 BC 40th century BC: 39th century BC: 38th century BC ...

  5. Geologic time scale - Wikipedia

    en.wikipedia.org/wiki/Geologic_time_scale

    The numeric values on the International Chronostratigrahpic Chart are represented by the unit Ma (megaannum, for 'million years'). For example, 201.4 ± 0.2 Ma, the lower boundary of the Jurassic Period, is defined as 201,400,000 years old with an uncertainty of 200,000 years.

  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. Dating creation - Wikipedia

    en.wikipedia.org/wiki/Dating_creation

    [47] [48] Therefore, if 8,900-9,000 years are added to about 600 BC the date of creation comes to 9600 - 9500 BC. A 12,000 year chronology places the end date at around 2400-2500 AD, which is why modern Zoroastrians believe they are living in the end few hundred years of the final era.

  8. List of years - Wikipedia

    en.wikipedia.org/wiki/List_of_years

    Pages for logged out editors ... (Top) 1 1st millennium BC. Toggle 1st millennium BC subsection. 1.1 8th ... This page is an index to individual articles for years ...

  9. Adams Synchronological Chart or Map of History - Wikipedia

    en.wikipedia.org/wiki/Adams_Synchronological...

    The design may have inspired later 'Maps of World History' such as the HistoMap by John B. Sparks, which chronicles four thousand years of world history in a graphic way similar to the enlarging and contracting nation streams presented on Adam's chart. Sparks added the innovation of using a logarithmic scale for the presentation of history.