День первого телефонного звонка

On 10 March 1876 Alexander Graham Bell made the first telephone call in his Boston laboratory, summoning his assistant from the next room.

Alexander Graham Bell (March 3, 1847 – August 2, 1922) was an eminent scientist, inventor, engineer and innovator who is credited with inventing the first practical telephone. A. G. Bell was born in Edinburgh, Scotland, 3 March 1847. He was educated at the Edinburgh high school and Edinburgh University. He removed to London in 1867, and entered the University there, but left on account of his health, and went to Canada with his father in 1870. In 1872 he took up his residence in the United States, introducing with success his father's system of deaf-mute instruction, and became professor of vocal physiology in Boston University. Bell's father, grandfather, and brother had all been associated with work on elocution and speech, and both his mother and wife were deaf, profoundly influencing Bell's life's work. His research on hearing and speech further led him to experiment with hearing devices which eventually culminated in Bell being awarded the first U.S. patent for the telephone in 1876. His first public exhibition of the invention was at Philadelphia. In retrospect, Bell considered his most famous invention an intrusion on his real work as a scientist and refused to have a telephone in his study. On 27 March 1884 the first long distance telephone line between New York and Boston was made.

to summon - вызывать
elocution - ораторское мастерство
eventually - возможно
intrusion - вторжение

Read more about A. G. Bell http://en.wikipedia.org/wiki/Alexander_Graham_Bell and http://sln.fi.edu/franklin/inventor/bell.html