1620 Pilgrims land at Plymouth Rock. 1690 Publick Occurrences published in Boston
		1741 First magazine in America is published 1776 Revolutionary War
		1861-1865 American Civil War
		1914-1918 World War I
1927 First experimental broadcast		1920 KDKA in Pittsburgh gets first commercial radio license.
1934 Federal Communication Commission established 1939 TV demonstrated at New York World's Fair		1930s The Great Depression 1934 Federal Communications Act of 1934 passed.
1948 FCC freezes television station licenses to examine allocation policies		1939-1945 World War II
1950 Cable television systems begin Early 1950s 15-minute network news broadcasts 1952 FCC unfreezes station licensing 1952 Networks cover presidential campaign 1955 DuMont network closes, leaving three broadcast networks		1950s Rock 'n' Roll begins
1960 First televised presidential debates between Kennedy and Nixon 1963 NCB starts 30-minute network newscast 1960s Color television becomes common		1969 First person lands on moon.
1972 HBO becomes first premium cable channel 1979-1980 60 Minutes becomes first news program to top the ratings		1970s VCR developed
1980 CNN begins operation 1980s Large-market local television expands newscasts from 30 minutes 1987 Fox network begins broadcasting		1980s CD-ROM invented 1989-1991 Cold War ends and Soviet Union dissolves Late 1980s National Science Foundation develops the Internet