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  2. List of extinction events - Wikipedia

    en.wikipedia.org/wiki/List_of_extinction_events

    Dresbachian extinction event: 502 Ma: End-Botomian extinction event: 517 Ma: Precambrian: End-Ediacaran extinction: 542 Ma: Anoxic event [43] Great Oxygenation Event: 2400 Ma: Rising oxygen levels in the atmosphere due to the development of photosynthesis as well as possible Snowball Earth event. (see: Huronian glaciation.)

  3. Catastrophe (2008 TV series) - Wikipedia

    en.wikipedia.org/wiki/Catastrophe_(2008_TV_series)

    Catastrophe is a five-part British documentary television series telling the story of the catastrophic events that shaped planet Earth. It is presented by Tony Robinson and was first aired on Channel 4 on 24 November 2008. [1] The series producer was Stephen Marsh with researcher Rhodri Jones.

  4. Extinction event - Wikipedia

    en.wikipedia.org/wiki/Extinction_event

    An extinction event (also known as a mass extinction or biotic crisis) is a widespread and rapid decrease in the biodiversity on Earth. Such an event is identified by a sharp fall in the diversity and abundance of multicellular organisms .

  5. What is a mass extinction, and why do scientists think we’re ...

    www.aol.com/brief-history-end-world-every...

    The most famous of these mass extinction events — when an asteroid slammed into Earth 66 million years ago, dooming the dinosaurs and many other species — is also the most recent. But ...

  6. List of programs broadcast by the History Channel - Wikipedia

    en.wikipedia.org/wiki/List_of_programs_broadcast...

    The Haunted History of Halloween; Heavy Metal; Heroes Under Fire; Hidden Cities; Hidden House History; High Hitler; High Points in History; Hillbilly: The Real Story; History Alive; History Films; History in Color; History Now; History of Angels [19] A History of Britain; A History of God [20] History of the Joke; The History of Sex; History ...

  7. Geological history of Earth - Wikipedia

    en.wikipedia.org/wiki/Geological_history_of_Earth

    The Ordovician period started at a major extinction event called the Cambrian–Ordovician extinction event some time about 485.4 ± 1.9 Ma. [10] During the Ordovician the southern continents were collected into a single continent called Gondwana. Gondwana started the period in the equatorial latitudes and, as the period progressed, drifted ...