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National Allied Publications (which would later become DC Comics) debuts 'New Fun Comics #1', marking the company's first publication. This was revolutionary as it was the first comic book to feature all-new, original material rather than reprinted newspaper strips. The comic contained various adventure and humor strips, setting the foundation for the future of comic book publishing.

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The publication that changed everything - Action Comics #1 introduces Superman to the world. Created by Jerry Siegel and Joe Shuster, Superman became the blueprint for all superheroes to follow. The issue sold for 10 cents and is now worth millions. This single publication essentially created the superhero genre and launched the Golden Age of Comics.

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Batman makes his first appearance in Detective Comics #27, created by Bob Kane and Bill Finger. The Dark Knight's debut marked another pivotal moment in comic book history, introducing a very different kind of hero - one without superpowers who relied on intelligence, detective skills, and gadgets.

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During World War II, DC Comics produced numerous war-themed stories featuring their superheroes fighting Axis powers. Wonder Woman debuted in this era (All Star Comics #8, 1941), and superheroes like Superman and Batman were shown supporting war bonds and fighting Nazi spies, reflecting the patriotic spirit of the time.

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Before the Comics Code Authority, DC published various horror titles like 'House of Mystery' and crime comics. These darker-themed comics pushed boundaries with more mature content, leading to increasing public concern about their influence on young readers.

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1954: Comics Code Authority Implementation

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1954: Comics Code Authority Implementation

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Following Dr. Fredric Wertham's 'Seduction of the Innocent' and subsequent Senate hearings, the Comics Code Authority was established. DC Comics adapted to these strict guidelines, which prohibited excessive violence, gore, and controversial themes, leading to more sanitized storytelling.

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1956: Showcase #4 - Dawn of the Silver Age

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1956: Showcase #4 - Dawn of the Silver Age

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The Silver Age begins with the introduction of the new Flash (Barry Allen) in Showcase #4. This marked a shift towards science fiction-based origins for superheroes, as opposed to the mystical or mythological origins of the Golden Age. The era emphasized scientific innovation and space age concepts.

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The Bronze Age saw DC tackling more socially relevant issues. Green Lantern/Green Arrow series addressed drug addiction, and Batman returned to darker, more sophisticated storytelling. The Comics Code Authority's influence began to wane, allowing for more mature themes while maintaining some restrictions.

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This groundbreaking series marked the transition to the Modern Age of Comics. It consolidated DC's complicated multiverse into a single universe, allowing for a complete continuity reboot. Works like Frank Miller's 'The Dark Knight Returns' and Alan Moore's 'Watchmen' helped establish a more sophisticated approach to storytelling.

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2011-Present: The New 52 and Rebirth Era

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2011-Present: The New 52 and Rebirth Era

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DC Comics launched The New 52 in 2011, completely rebooting their universe again. In 2016, DC Rebirth began, attempting to restore elements of pre-New 52 continuity while maintaining a modern approach. This era has seen unprecedented integration with other media, including successful film and television adaptations.