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The first oil well in the United States was drilled in Titusville, Pennsylvania by George Bissell and Edwin L. Drake
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In Promontory, Utah, a golden spike was driven as the last railroad spike of the transcontinental railroad, marking its completion.
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John Rockefeller, and his younger brother, William, founded Standard Oil.
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On March 7, 1876, Alexander Graham Bell patented the telephone.
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President Rutherford B. Hayes was the first president to have a telephone installed in the White House (in the telegraph room). A proponent of the new technology, President Hayes was eager to use the telephone, but since the telephone was not yet a widely used invention, he rarely received any calls. Later, in 1929, Herbert Hoover became the first president to have a telephone in the Oval Office.
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In 1879, Thomas Edison created his final design for the incandescent lightbulb, and it was patented on January 27, 1880, revolutionizing the world.
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Prior to this, time was told using local solar time. In 1883, this system of timezones was establishes in the US and Canada
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After buying several steel mills, Andrew Carnegie formed Carnegie Steel Company, in Pittsburgh, Pennsylvania in 1892. The company lasted until it was bought in 1901 by United States Steel.
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Morgan combined Carnegie Steel company with Gary's Federal Steel Company to form US Steel, worth $492 Million.
