1890
August-September Alexander Graham Bell and his supporters form the American Association to Promote the Teaching of Speech to the Deaf.
December 27 Letter from Mark Twain to Gardiner G. Hubbard, "
The Father-in-law of the Telephone"
1892
October Alexander Graham Bell participates in the formal opening of long-distance telephone service between New York and Chicago.
Photograph1897
Death of Gardiner Greene Hubbard; Alexander Graham Bell is elected President of the National Geographic Society in his stead.
1898
Alexander Graham Bell is elected a Regent of the Smithsonian Institution.
1899
December 30 Acquiring the American Bell Telephone Company's business and property, the American Telephone and Telegraph Company becomes the parent company of the Bell System.