1620 Pilgrims land at Plymouth Rock.
1741 First magazine is published in America		1704 First newspaper advertisement is printed in the United States 1776 Revolutionary War
1800s Increasing literacy and technology create magazine growth 1850 Number of magazines published in America reaches 685		1830s The penny press becomes first truly mass medium
1863 Price to ship magazines by mail declines		1861-1865 American Civil War
1890 4,400 magazines reach 18 million circulation 1893 McClure's starts mass circulation of muckraking magazines
1904 Ladies' Home Journal passes 1 million circulation 1915 Magazine muckraking dies out		1914-1918 World War I
1922 Time becomes first news weekly		1920 KDKA in Pittsburgh gets first commercial radio license.
		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
		1969 First person lands on moon.