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May 7, 1543
Copernicus claims the universe is heliocentric (sun centric)
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James Hargreaves invents the spinning Jenny
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Adam Smith publishes Wealth of Nations
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James Watt perfects the Steam Engine
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Eli Whitney invents the Cotton Gin
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Robert Fulton invents the first steam boat
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Factory act of 1833 limits work hours for women and children
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Opening of the Suez Canal
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Karl Marx writes the Communist Manifesto
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Marie Curie receives Nobel prize for her work with radioactivity and its ability to cure some diseases
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Albert Einstein publishes article on the Theory of Relativity