-
Photography invented
Invented photography and printing them -
Telegraph
The time the telegraph was invented -
Telegraph start of invention
Start of invention -
Mass production of printing
Printed for Europe and America -
Atlantic cable
Atlantic cable -
Phonograph
Invented 1877 -
First us radio
First us radio commercial to go on air -
Newspaper circulation decline
Newspaper circulation declined -
Phonograph records
Phonograph records open to the media -
Growth in people who use computers
People used computers more
