1900s
(cc) image by jantik on Flickr
Nickolodeons became
popular.
The Great Train Robbery
the first of feature 
films is shown.
1910s
1917-1918 Governments
 impose censorship on 
 newspapers during 
 World War I 

1920s
1920 KDKA is 
Pittsburgh gets first 
commercial
 radio license. 
1920 Tabloid journalism
 flourishes in 
big cities.
1922 Time is first weekly 
news magazine.
 1922 First advertisement
 on radio.
1926 NBC becomes first 
radio network.
1927 First experimental 
broadcast of television. 







1930s
1936 Life becomes first
 American magazine 
with pictures.
 1938 Edward R. Murrow 
begins broadcasting
 reports of war in Europe.
 1939 Television is
 demonstrated at New York’s 
World Fair. 



1940s
1940s Tape 
recording 
develops. 
1948 Transistor 
radio is invented. 


1950s
1950s Television 
takes advertising 
from newspapers. 

1970s
1970s Weekly newspaper 
circulation grows 
dramatically.
1970s Niche magazines 
begin 
boom that continues into 
1990s. 


1980s
1980 CNN 
begins operation.
1981 MTV begins
 broadcasting.


 

Late 1980s
Late 1980s USA’s 
National Science 
Foundation 
creates 
the basis of the 
Internet.

1990s
1990s Newspapers go 
onto the Internet.
Magazines begin publishing on the Internet.
Movies are promoted on the Internet. 

2000s
Social Media Site Usage Increases
Citizen Journalism
iReporters
Youtube
Bloggers