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After studying on a 5 year voyage, Darwin published this book, which is now the foundation for evolutionary biology.
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Through horizontal integration, Rockefeller's Standard Oil Company was at the top of the oil market.
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Alexander Graham Bell invented the telephone which transmits a person's voice over wire through electrical currents.
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Thousands of miles of railroad tracks were shut down because of this strike in the northeastern U.S.
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Six policemen were killed by a bomb that also wounded 60 citizens in Haymarket Square. This was done in support of striking workers.
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In 1886, Samuel Gompers created an alliance between labor unions called the American Federation of Labor.
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On December 17, 1903, the Wright brothers had invented the very first working airplane.
