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13,700,000,000 years ago
The big bang is the explosion that first created the world/universe as we know it. -
There was many ice ages in the history of the earth but the most recent one was started 63 million BC.
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1600 BC Modern alphabet invented: the essential means of communication of complex concepts and culture.
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The dinosaurs died 65 million years ago BC from a meteor colliding with earth.
