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Timeline of invention

Prehistoric--Outline of prehistoric technology
Note that the dates in the Paleolithic era are approximate and refer to the earliest discovered use of an invention, and are likely to change as more research is done and older sites are found. Simila ...
2014-3-27 23:12
Timeline of historic inventions
The timeline of historic inventions is a chronological list of particularly important or significant technological inventions.Note: Dates for inventions are often controversial. Inventions are often i ...
2014-3-27 23:11

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