sponsored by: Hacking the Universe
Person
Books
| Era | Year | Title | Person | ||||
|---|---|---|---|---|---|---|---|
 -10,000 - 999 | |||||||
| -2,500,000 | | Stone tools used | |||||
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| -1,000,000 | fire | | |||||
| -500,000 | Hearth is used for fire | | |||||
| -30,000 | numbers recorded on bones | | |||||
| -20,000 | bow and arrow | | |||||
| -10,000 | | Bread is made | |||||
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| -10,000 | | Agriculture is developed | |||||
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| -8,000 | Linen is woven from flax | | |||||
| -8,000 | | Tokens used to count | |||||
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| -7,000 | pottery | | |||||
| -6,000 | | wheel | |||||
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| -5,000 | | astronomical observation | |||||
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| -5,000 | decimal numbers used in Eygpt | | |||||
| -4,000 | | Copper is used | |||||
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| -3,000 | abacus invented | | |||||
| -3,000 | | Candles | |||||
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| -2,600 |  | Dye used | |||||
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