CHRONOLOGY 



1851 Kelly process of steel manufacture. 



1856 Bessemer process of steel manufacture. 



1862 Act creating Department of Agriculture. 



Morrill Land Grant Act. 



1864 First Bessemer converter built in the United States. 



1868 Open-hearth process brought to the United States. 



1870 John D. Rockefeller organizes Standard Oil Co. 



1871 American Institute of Alining and Metallurgical Engineers. 



1874 First electrically powered streetcar, operated in New York City. 



1875 Josiah Willard Gibbs, On the Eqiiilibrhim of Heterogeneous Sub- 

 stances. 



1876 Alexander Graham Bell patents telephone. 

 American Chemical Society organized. 



1878 Edison patents phonograph. 



1879 Edison invents incandescent light bulb. 



1880 American Society of Mechanical Engineers. 

 1884 American Institute of Electrical Engineers. 



Bureau of Animal Industr)% Department of Agriculture. 



1886 Charles Martin Hall discovers electrolytic process of refining alu- 

 minum. 



1887 Hatch Act for Agricultural Experiment Stations. 

 Interstate Commerce Act. 



1889 Elevation of head of Department of Agriculture to cabinet rank. 



1890 Sherman Anti-Trust Act. 



1892 People's (Populist) Party organized. 



1894 Niagara Falls harnessed for commercial power. 



1896 William Jennings Bryan defeated by William McKinley. 



1897 Klondike gold rush. 



1898 Spanish- American War. 



1901 United States Steel Company organized. 

 Theodore Roosevelt becomes President. 



1906 Pure Food and Drug Act. 



1908 W^hite House Conservation Conference. 



1914 Smith-Lever Act authorizing extension work. 



1916 National Research Council established. 



1917 Entry into First World War. 



