|1890||August-September||Bell and his supporters form the American Association to Promote the Teaching of Speech to the Deaf.||
Fourth summer meeting of the American Association for the Promotion of Teaching Speech to the Deaf... Reproduction Number LC-USZ62-122248. Gilbert H. Grosvenor Collection, Prints and Photographs Division, Library of Congress.
|December 27||Letter from Mark Twain to Gardiner G. Hubbard, "The Father-in-law of the Telephone"|
|1892||October||Bell participates in the formal opening of long-distance telephone service between New York and Chicago. Photograph|
|1897||Death of Gardiner Greene Hubbard; Bell is elected President of the National Geographic Society in his stead.||
Alexander Graham Bell at the opening of the long-distance line from New York to Chicago. Reproduction Number LC-G9-Z2-28, 608-B. Gilbert H. Grosvenor Collection, Prints and Photographs Division, Library of Congress.
|1898||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.|