Keno, a bingo-like or a lottery-like gambling game, is played nowadays at practically every casino. The game itself was first developed in China in 187 BC by the head of state, Cheung Leung. Still the origins of the game are really a bit of a mystery. There exist several opinions.
According to one assumption the game was invented during a war in China in order to supply the army with money. The head of state had no money support of his subjects. So Cheung was left scratching his head as to how to generate the necessary finances to continue his brutal battles. Finally, Cheung had the brilliant idea of creating a game that would appeal to the huge numbers of people under his command, while simultaneously generating a bit of cash to cover his expenses. The game was a success and it is cited as a major reason for the victory of Cheung's forces. It also contributed resources to building the Great Wall! The game soon became known as the White Pigeon game, since carrier pigeons were used to inform surrounding towns and villages of the winning numbers.
The keno board didn't always look the same way. The Chinese classic characters were used instead of numbers. The total of 120 characters was used in the game but the number reduced to 80 in the long run.
Thousads of Chinese immigrants, who came to America to work in the mines in the mid 1800's, brought keno there. Although initially outlawed, Keno continued to be played in secrecy by these new immigrants. It continued to use Chinese characters and thus obviously didn't enter popular mainstream American culture until it was modified to include the numerical system.

 

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