Comic book
American comic books

Comics as a print medium have existed in the United States since the printing of The Adventures of Mr. Obadiah Oldbuck in 1842 in hardcover, making it the first known American prototype comic book. Proto-comics periodicals began appearing early in the 20th century, with the first comic standard-sized comic being Funnies on Parade. Funnies on Parades was the first book that established the size, duration, and format of the modern comic book. Following this was, Dell Publishing 's 36-page Famous Funnies: A Carnival of Comics as the first true newsstand American comic book; Goulart, for example, calls it "the cornerstone for one of the most lucrative branches of magazine publishing". In 1905 G.W. Dillingham Company published 24 select strips by the cartoonist Gustave Verbeek in an anthology book called 'The Incredible Upside-Downs of Little Lady Lovekins and Old Man Muffaroo'. The introduction of Jerry Siegel and Joe Shuster 's Superman in 1938 turned comic books into a major industry and ushered in the Golden Age of Comic Books. The Golden Age originated the archetype of the superhero. According to historian Michael A. Amundson, appealing comic-book characters helped ease young readers' fear of nuclear war and neutralize anxiety about the questions posed by atomic power.

Historians generally divide the timeline of the American comic book into eras. The Golden Age of Comic Books began in 1938, with the debut of Superman in Action Comics #1, published by Detective Comics (predecessor of DC Comics), which is generally considered the beginning of the modern comic book as it is known today. The Silver Age of Comic Books is generally considered to date from the first successful revival of the then-dormant superhero form, with the debut of the Flash in Showcase #4 (Oct. 1956). The Silver Age lasted through the late 1960s or early 1970s, during which time Marvel Comics revolutionized the medium with such naturalistic superheroes as Stan Lee and Jack Kirby 's Fantastic Four and Lee and Steve Ditko 's Spider-Man. The demarcation between the Silver Age and the following era, the Bronze Age of Comic Books, is less well-defined, with the Bronze Age running from the very early 1970s through the mid-1980s. The Modern Age of Comic Books runs from the mid-1980s to the present day.

A significant event in the timeline of American comic books occurred when psychiatrist Fredric Wertham voiced his criticisms of the medium through his book Seduction of the Innocent (1954). This critique led to the involvement of the American Senate Subcommittee on Juvenile Delinquency, which launched an investigation into comic books. Wertham argued that comic books were accountable for a surge in juvenile delinquency and posed a potential impact on a child's sexuality and moral values. In response to attention from the government and from the media, the US comic book industry set up the Comics Magazine Association of America. The CMAA instilled the Comics Code Authority in 1954 and drafted the self-censorship Comics Code that year, which required all comic books to go through a process of approval. It was not until the 1970s that comic books could be published without passing through the inspection of the CMAA. The Code was made formally defunct in November 2011.
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