Bell reveals his work on the harmonic telegraph to Hubbard and Sanders, who agree to fund his efforts
Bell Patent Association formed so Sanders and Hubbard can share in proceeds from Bell's patents
Mabel insists Bell go to the U.S. Centennial Exhibit in Philadelphia, where his phone is a huge hit
Japan reproduces Bell telephones
American Bell creates Long Lines division
Telephone service begins in Canada, Mexico, Australia, Sweden and Denmark
Telephone Exchanges open in Berlin, Vienna, and Sydney
First telephone lines in Constantinople and Egypt
Metallic circuit introduced
First telephone exchanges in India, Russia, and Shanghai
First long-distance line: Boston to Providence
American Bell forms AT&T as subsidiary to operate long distance network
First dial telephones introduced
First multiplexed telephone circuits
Dial phones spread to major cities
Type C carrier system deployed
France creates PTT Administration
With encouragement from Siemens and Halske, Nazis launch anti-semitic campaign against (and ultimately seizure of) Jewish-owned Fuld & Co.
Transistors first used in telephone equipment
Improved echo suppressors deployed
T1 digital carrier system developed
Bell Canada acquires Northern Electric
Nokia Corporation formed by three-way merger
Boyle and Smith invent the charge-coupled device, a chip that transforms light into electrical info
Japan achieves nationwide automatic telephone service
Northern Telecom DMS-100 digital switch
First trial of Bell Labs' cellular communication system begins
Bell Labs creates first single-chip digital signal processor (DSP)
Siemens debuts digital telephone switching
NTT launches world's first ISDN service
TAT-8: First transatlantic fiber optic cable
TPC-3: First transpacific fiber optic cable
SS7 signaling becomes widespread
French PTT becomes France Telecom
Deutsche Telekom AG becomes independent company
Northern Telecom becomes Nortel
VoIP demonstrated commercially
Telecommunications Act of 1996
France Telecom privatized
