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Earth-One
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<p>Earth-One (also Earth-1) is a name given to two <a href="/facts/Fictional_universe/ESj2DCy2">fictional universes</a> (the Pre-<a href="/facts/Crisis_on_Infinite_Earths/QrKQqzk1">Crisis</a> and Post-Crisis versions of the same universe) that have appeared in <a href="/facts/American_comic_book/RA0DTh5F">American comic book</a> stories published by <a href="/facts/DC_Comics/gvuKz3yL">DC Comics</a>. The first Earth-One was given its name in <i>Justice League of America</i> #21 (August 1963), after <i>The Flash</i> #123 (September 1961) explained how <a href="/facts/Golden_Age_of_Comic_Books/K9dj5o40">Golden Age</a> (<a href="/facts/Earth-Two/7ALQ3tuj">Earth-Two</a>) versions of characters such as the <a href="/facts/Flash_(comics)/CVcX7JSm">Flash</a> (<a href="/facts/Jay_Garrick/TjjKj1we">Jay Garrick</a>) could appear in stories with their <a href="/facts/Silver_Age_of_Comic_Books/4LvmuBW0">Silver Age</a> counterparts (Barry Allen). This Earth-One continuity included the DC Silver Age heroes, including the <a href="/facts/Justice_League/7EzsCu17">Justice League of America</a>. </p><p>Earth-One, along with the four other surviving Earths (Earth-Two, <a href="/facts/Earth-Four/hncUtQ7m">Earth-Four</a>, <a href="/facts/Earth-S/hncUtQ7m">Earth-S</a>, and <a href="/facts/Earth-X_(DC_Comics)/hncUtQ7m">Earth-X</a>) of the <a href="/facts/Multiverse_(DC_Comics)/JfDuTQ6J">DC Multiverse</a>, are merged into one in the 1985 miniseries <i><a href="/facts/Crisis_on_Infinite_Earths/QrKQqzk1">Crisis on Infinite Earths</a></i>. This Earth's versions of characters were primarily the Earth-One versions (i.e. <a href="/facts/Superman/1mQylpL6">Superman</a>, <a href="/facts/Batman/6ybzEQsH">Batman</a>), but some characters from the four other worlds were also "folded" in. In <i><a href="/facts/Infinite_Crisis/vGwRvXzy">Infinite Crisis</a></i>, Earth-One was resurrected and merged with the primary Earth of the publication era to create a New Earth that brought back more aspects of Earth-One's original history. In 2007, a new version of Earth-One was created in the aftermath of events that occurred within the <i> <a href="/facts/52_(comics)/RtREBByp">52</a></i> series. </p>