The Cosmic Calendar

[Ga= Billion yrs ago, Ma= Million yrs ago, Ka= 1000 yrs ago]. Live-Tweeting the history of the universe, compressed into 1 yr. Automated/Run by @GeoAstroCastro

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That's it for the #CosmicCalendar for now. It's been a fun 3 years. If there is interest I'll do it again! Plz Retweet or Reply to say so!

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25Ka - 5Ka: In the first 45 seconds of the last minute of the #CosmicCalendar, The invention of Pottery, Agriculture, and the Bow and Arrow.

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5Ka-0: In last 15s: Writing, The Wheel, The Pyramids, All Religions Founded. Rome Built/Falls. Industrial Rev. Moon Landing. You, Here, Now.

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We are in the final moments of our Cosmic Year. A whole lot of stuff is about to go down! #Cosmos #CosmicCalendar #NewYears

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35Ka: The oldest known #musical #instruments (flutes) are created by our distant ancestors.

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~40Ka: The oldest known #CavePaintings. Our restless Human ancestors spread throughout Europe, Asia, and Australia. #Exploration

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74Ka: The #Toba #supvervolcano #eruption nearly renders the #human race #extinct, but we manage to survive.

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150Ka: The first spoken #Languages are thought to have developed around this time, but it is difficult to pinpoint when. #CanYouHearMeNow?

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200Ka: The earliest #HomoSapienSapien, or anatomically modern humans (That's you!) live in what is now #Ethiopia.

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250Ka: The #Neanderthals, a close cousin of modern #humans evolve. They mingle and even #mate with early humans.

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400Ka: The first #spears are invented by the not-quite-yet-#human inhabitants of #Earth.

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1Ma: Some proto-#humans have become among the first to learn how to control #fire.

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1.8Ma: The start of the #Paleolithic, AKA the #StoneAge. Our distant ancestors, #HomoErectus, roam the #Earth.

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2.6Ma: At the start of the #Quaternary Period, the earliest known tools were developed by proto-humans.

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4Ma: Early hominids like the #Ardipithecus and #Australopithecus appear in East Africa. #Evolution.

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6Ma: Our last common ancestors with the #Chimp. 99% of our #DNA is identical. Thanks, #Evolution!

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8Ma: Our last common ancestors with the #Gorilla. Around this time they diverge from humans in genetic lineage #DNA

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14Ma: Our last common ancestors with the #Gibbon. Around this time they diverge from humans in genetic lineage #DNA

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34Ma: Our last common ancestors with the New World #Monkeys. Around this time they diverge from humans in genetic lineage #DNA #Evolution

[The Cosmic Calendar @Cosmic_Calendar]

24Ma: The Indian plate slowly collides into Asia. The Himalayan mtns begin to form at this tectonic plate boundary.