-
29,000 BCE
pottery
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12,000 BCE
farming
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12,000 BCE
weaving
-
6000 BCE
irrigation
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4200 BCE
the wheel
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3500 BCE
sailing
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3400 BCE
writing
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3300 BCE
bronze working
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2550 BCE
the great pyramid
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1492 BCE
Columbus sails to W. Indies
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1450 BCE
printing press (gutenberg)
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1300 BCE
eyeglasses
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1270 BCE
mechanical clock
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644 BCE
windmill
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476 BCE
fall of the roman empire
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323 BCE
death of alexander the great
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206 BCE
compass
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105 BCE
paper
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9 BCE
gunpowder
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4 BCE
birth of christ
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3 BCE
ironworking
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3 BCE
roman concrete
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2 BCE
fire
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610
islam founded
-
pilgrims land plymouth rock
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american independence
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paper currency
-
steam locomotive
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bicycle
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photography
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mechanical reaper
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deere self-scouring plow
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vulcanized rubber
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rechargaeble battery
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pasteurization
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U.S. civil war ends
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typewriter
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phonograph
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telephone
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light bulb
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coca-cola
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diesel engine
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motion pictures
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man made fertilizer
-
wright bros. fly
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fordson tractor
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fords model T
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world war 1
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transatlantic
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first radio station
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penicillin
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television
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nylon