Since its early beginnings, poker has grown to become an extremely popular pastime throughout the world.ġ9th century Officers of the 114th Pennsylvania Infantry playing cards in front of tents. The card game of poker was developed in the United States at some point during the early 19th century, drawing its name and basic concept from much earlier European games. ( May 2013) ( Learn how and when to remove this template message) Use the lead layout guide to ensure the section follows Wikipedia's norms and is inclusive of all essential details. The lead section of this article may need to be rewritten.