History of the DC Universe
History of the DC Universe is a two-issue American comic book limited series created by writer Marv Wolfman and artist George Pérez which was published by DC Comics following the end of Crisis on Infinite Earths. == Publication history == History of the DC Universe was an attempt to summarize the new history of the DC Universe to establish what was canonical after Crisis on Infinite Earths reformed the multiverse into a single universe.
Source: Wikipedia — History of the DC Universe (CC BY-SA 4.0)