Poker is impossible to imagine in the world of gambling and entertainment, wherever it has existed, and the history of its formation is quite rich. Poker informational entry on Wikipedia reports that the game has its origin in ancient European card games, which later spread to different parts of the world. The history of poker development took place over several periods, beginning with the simplest versions and ending with complex modern varieties like Texas Hold’em or Omaha. Thus, this article on Wikipedia helped me to understand the emergence and maturation of poker over the eras, as well as noted some of its significant varieties. The history of poker reveals itself not only in its roots, giving the player an understanding of its origin but also in each hand, raising the player’s experience and knowledge. Thanks to Wikipedia, poker history becomes clear and accessible, confirming the importance of the game in the global entertainment culture. Moreover, in Vietnam, where poker is gaining increasing popularity among the youth and enthusiasts, this article can help to discover the history and find interest to understand the current state of the game.