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First timeline
Category:
Other
Updated:
2 Mar 2020
0
0
248
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Created by
Alejandro Benítez
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Events
Archimedes´screw
The printing press
Electric light bulb
Rocketry
Nuclear fission
Nitrogen fixation
Sanitation systems
The cotton gin
Paper money
Penicillin
Refrigeration
The sextant
Pasteurization
Semiconductor transistor
Gunpowder
The telephone
Periods
The green revolution
The abacus
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