April 9

• 1969: Texas Gamblers Reunion in Reno, Nevada
  Tom Moore organizes the Second Annual Gaming Fraternity Convention at his Holiday Casino, switching from the previous year's variety of table games to poker. The event is popular with the players but not a moneymaker for Moore, so he gladly lets Benny Binion have the idea, creating the World Series of Poker. [Estimated date]

{ Data is current through January 1, 2023. }