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Unit: Era 1 - Our Big History (13.82 billion years ago to the future)

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1.0: History Stories

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1.1: Era 1 Overview

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1.2: History Frames

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1.3: The Big History Story

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READ: An Introduction to Big History
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About this unit

Human history started billions of years before humans existed. It may sound like a riddle, but using scales and frames to understand the various contexts of our past will show how history itself is a human invention.