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May 10, 1869 a golden spike was driven and that showed the first complete transcontinental railroad. It was in Promontory, Utah.
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Alexander Graham Bell tested his telephone in 1876 and on March 7 1876 he got a patent for the telephone
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President Rutherford B. Hayes has the White House's first telephone installed in the mansion s telegraph room.
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Thomas Edison perfects the first commercially practical incandescent light bulb. Using a filament of carbonized cotton thread, his first attempt at this design results in a bulb that lasts about 13.5 hours before burning out. He later extends the life of the bulb to 40 hours.
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Operators of the new railroad lines needed a new time plan that would offer a uniform train schedule for departures and arrivals. Four standard time zones for the continental United States were introduced on November 18, 1883.
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Approved July 2, 1890, The Sherman Anti-Trust Act was the first Federal act that outlawed monopolistic business practices. The Sherman Antitrust Act of 1890 was the first measure passed by the U.S. Congress to prohibit trusts.
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It was founded in 1892 in downtown Pittsburgh.
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United States Steel Corporation, leading U.S. producer of steel and related products, founded in 1901. At the beginning of the 20th century, a number of businessmen were involved in the formation of United States Steel Corporation, including Andrew Carnegie, Elbert H. Gary, Charles M. Schwab, and J.P. Morgan.
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May 15, 1911 the supreme court ordered that standard oil companies have to shut down. John D. Rockefeller entered the oil industry in 1860 and founded standard oil with some other business partners.
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The Richmond Union Passenger Railway, in Richmond, Virginia, was the first practical electric trolley (tram) system, and set the pattern for most subsequent electric trolley systems around the world
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August 28, 1959 George Bissell and Edwin L. Drake made the first successful oil well.
