History

First humans appear - 6,000,000 BCE

About six million years ago, Sahelanthropus, one of our earliest human ancestors, may have swung down from a …

Cheomseongdae observatory

The world’s oldest surviving astronomical observatory.  Dating back to 634 CE (Common Era), this observatory …

First use of fire to spacecraft

First Fire: Human ancestors may have known how to make and control fire as far back as 1.5 million years ago.…

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