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This is the era the inventors were alive.
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John Deere was born on Febuary 7th,1804.
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in 1837 John Deere invented the new plow. This was a better plow. It made plowing fields easier.
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henry Ford was born on July 30th, 1863
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Thomas Edison was born on feb.11, 1874
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Albert einstein was born on March 11,1879
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Thomas Edison invented the light bulb on Oct. 22,1879
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John Deere died this day.
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Henry Ford invented the assembly line in 1913.It allowed mass production to be possible.
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Thomas Edison died on Oct 8,1931
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Einstein developed the formula for the atomic bomb.
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Henry Ford died on this day: April 8,1947
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Albert Einstein died on April 18, 1955