Keno History: The Evolution of Keno

Ancient Origins: Keno in Imperial China

Keno’s origins trace back more than 2,000 years to the Han Dynasty (around 200 BCE), a period of immense cultural and economic development in Chinese history. According to legend, Cheung Leung, a Han Dynasty ruler, created the game to raise funds for military campaigns and public projects, including the construction of the Great Wall of China, when state coffers were low. The game was originally known as the ‘White Pigeon Ticket’ because results were communicated to distant villages via carrier pigeons. The direct ancestor of Keno is a game known as báigē piào (白鴿票), or the 'White Pigeon Game,' also referred to as 'pai ko p'iao.'

The game used sheets printed with 120 Chinese characters from the ‘Thousand Character Classic,’ a traditional poem familiar to educated citizens. Players would select a set of these symbols on the printed sheets, and if enough of their picks matched the drawn symbols, they won. This lottery game was created to raise money and raise funds for public works, highlighting its role as a vital part of lottery games in Chinese history.

Keno’s structure and mechanics have remained largely faithful to its ancient roots, using a lottery-style draw mechanic that persists in modern versions. Its journey from ancient China to modern casinos illustrates its adaptability and enduring appeal across cultures and time periods, serving as a cultural export of the Chinese diaspora. The game also reflects the cultural importance of numerology in China, with players often choosing numbers based on perceived luck.

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 The Name Keno: Tracing the Origins of the Game’s Title

The story behind the name “Keno” is as intriguing as the game itself, reflecting a journey across continents and cultures. The term is widely believed to derive from the French word “quine,” which translates to “five winning numbers”, a nod to the game’s lottery roots and the thrill of matching numbers for prizes. As the game gained popularity in America during the 19th century, particularly in Nevada, it underwent several transformations, both in name and format.

Originally, the Chinese lottery known as “Pai Ko P’iao” or “White Pigeon Ticket” was played using Chinese characters, with players selecting symbols in hopes of winning funds for major projects like the Great Wall of China. When Chinese immigrants introduced the game to the New World, especially during the California Gold Rush, the unfamiliar characters were replaced with Arabic numerals, making the game more accessible to American audiences. This shift marked the birth of modern Keno, a fast-paced gambling game that could be enjoyed by anyone, regardless of language or background.

To navigate strict anti-lottery laws in the United States, the game was cleverly rebranded as “Horse Race Keno,” with numbers representing imaginary horses. This allowed casinos to offer the game legally, while still capturing the excitement of drawing winning numbers. As regulations evolved, the simplified name “Keno” took hold, and the game became a staple in both land-based casinos in Las Vegas and the growing world of online casinos.

Today, the name “Keno” is synonymous with the chance to win life-changing sums, whether through progressive jackpots or smaller, frequent prizes. Its enduring popularity is a testament to its adaptability, from ancient China’s white pigeon ticket to the digital realm of online Keno. The name itself serves as a bridge between history and modern gaming, reminding players of the game’s rich heritage and its ongoing appeal in casinos around the world. Whether you’re playing in Nevada, online, or at your local casino, Keno continues to offer the excitement of chasing five winning numbers, and perhaps, a jackpot that could change your life.

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Keno Comes to the West

Fast forward to the 19th century, when Chinese immigrants brought Keno to the United States during the California Gold Rush and the construction of the transcontinental railroad. In this era, the game was initially known as the ‘Chinese Lottery’ and served as a vital social institution for Chinese immigrants, providing entertainment and a way to raise money within the community. Keno was especially popular in bustling mining towns and railroad camps, where it offered simple rules and instant gratification for exhausted workers.

As Keno integrated into American culture and American casinos, Western audiences unfamiliar with Chinese characters adapted the game by replacing the symbols with Arabic numerals, a transformation that marked its acceptance in American gambling circles. In Nevada, the game was cleverly rebranded as ‘Racehorse Keno’ to circumvent gambling laws, with each number corresponding to a fictional racehorse, which helped it gain mainstream popularity.

Keno’s journey from ancient China to America not only highlights its enduring appeal but also its historical role in helping to raise money for public projects, notably the Great Wall of China, and later as a significant part of Chinese community life in America.

Despite widespread anti-gambling sentiment and restrictive laws in the 1800s, Keno endured. It evolved through underground halls and private clubs, eventually earning a foothold in the American gaming landscape. By the early 20th century, Keno had become one of the most recognisable and enduring lottery-style games in the West.

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The Legalisation Era: American Keno in the 20th Century

When Nevada legalised gambling in 1931, Keno quickly found its place among the casino classics as a lottery-like casino game. Keno is now played at many casinos and is also offered in some state lotteries. To avoid legal conflicts with state lottery laws, operators temporarily rebranded the game as ‘Racehorse Keno,’ with numbers representing imaginary horses. Patrons would ‘bet’ on the horses, and the winning numbers were drawn like race results. The game returned to its original name when lottery restrictions eased, but kept the new numerical format.

During this period, keno games developed many structural features that are still used today, such as printed tickets, fixed payout tables, and the familiar card or screen featuring a grid of 80 numbers. Players wager by choosing numbers ranging from 1 through 80, and after all players make their wagers, 20 numbers, known as 'spots', are drawn at random by a Keno machine or computer system. The more spots (numbers) a player matches, the higher their winnings, with keno payouts determined by the player's initial wager and the number of matches. Different pay tables offer varying payouts based on how many numbers are matched, and some paytables pay for hitting a lesser number of spots, allowing for payouts even if not all chosen numbers are matched. Players can also select numbers for several consecutive games in advance in multi-race Keno.

Casinos standardised odds and prizes, while the house advantage was calculated scientifically to ensure sustainable profitability. The house edge in Keno can range from less than 4 percent to over 35 percent, which is higher than many other casino games, but the game remains popular due to the possibility of significant payouts from a small wager. By the 1960s, Keno had become a staple of casino gaming across Las Vegas and Reno, appealing to casual players drawn to its simplicity and potential for large payouts. The probability of hitting all 20 numbers on a 20 spot ticket in Keno is approximately 1 in 3.5 quintillion, making maximum matches a rare but life-changing event.