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Period: 250,000 BCE to 10,000 BCE
Paleolhitic
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200,000 BCE
discovery of fire
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Period: 10,000 BCE to 3500 BCE
Neolitic
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4000 BCE
discovery of writting
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Period: 3500 BCE to 700 BCE
Age of metals
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700 BCE
paper
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Period: 700 BCE to 476
Ancient history
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Period: 476 to 1453
Midle age
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1400
discovery of clocks
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Period: 1453 to
Modern age
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steam machine
. -
pottery
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Period: to
Comtemporanean Age
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electric batery
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light bulb
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automobile
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radio
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computer
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Period: to
Actual world
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internet