However, there are a few that keep the charm and history of the first casinos that were founded more than hundred years ago More and more casinos are opening their facilities, which makes it difficult for us to know exactly how many there are around the world. Today, the hope of becoming a millionaire with a little stroke of luck makes casinos one of the most popular entertainment places of the 21st century. The Romans were already passionate about dice and gambling in chariot races. Gambling has always attracted the masses since ancient times.