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The Palaeolithic starts 2,85 Millions years ago and ends 12000 years ago. The humans starts to develop more technology.
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The Neolithic starts 10200 BC and ends 4500 BC. Is the most long period.
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The Metal age starts 4500 BC and ends at 1000 BC. The humans starts to work with metals.
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The Antiquity starts 3000 BC and ends 400 AC. The writing is invented.
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The Middle ages starts 400 AC and ends 1,492 AC. Invention of printing.
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The Modern age starts 1,492 AC and ends 1,789 AC. Time of great descoveries.
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The Contemporary age starts 1,789 AC. There are many descoverys, such as the electric bulb.