1620 Pilgrims land at Plymouth Rock.
		1741 First magazine in America is published 1776 Revolutionary War
		1826 First permanent photograph is taken by Joseph Niepce
1878 Eadweard Muybridge uses stop-action photography		1861-1865 American Civil War
1892 Thomas Edison's lab develops the Kinetoscope 1895 Vaudeville theaters begin to show magic-lantern shows
1903 The Great Train Robbery, the forerunner of feature films, is shown 1900s Nickelodeons become popular 1915 The Birth of a Nation starts the modern movie industry		1914-1918 World War I
1927 The Jazz Singer popularizes sound in feature-length films		1920 KDKA in Pittsburgh gets first commercial radio license.
1930 Five large movie companies dominate the industry 1934 Studios establish decency code for films		1930s The Great Depression 1934 Federal Communications Act of 1934 passed. 1939-1945 TV demonstrated at New York World's Fair. 1939-1945 World War II
1939-1945 Movie industry helps government promote war effort 1948 Supreme Court breaks up the industry's vertical integration
1950s Television begins to affect movie attendance 1952 Supreme Court extends First Amendment rights to film
1960s Networks begin showing movies during prime time 1968 Film industry begins using a rating system Late 1960s Independent films use more graphic violence and sex		1969 First person lands on moon.
1972 HBO starts satellite broadcasting		1970s VCR developed
1980s Video recorder technology is sold to consumers Late 1980s Cable channels increase their financing of feature films		1980s CD-ROM invented