Ancient Native American Dice Games Older Than Thought | Science News

New archaeological evidence suggests that Native American cultures were engaging in games of chance and exploring concepts of probability as early as 12,000 years ago – thousands of years before similar practices emerged in the Old World. The findings, published April 2, 2026, in the journal American Antiquity, challenge long-held assumptions about the origins of gambling and mathematical thought.

The research, led by Robert J. Madden, a doctoral student at Colorado State University, centers on the discovery and analysis of ancient dice – specifically, “binary lots” – found at archaeological sites across the western Great Plains. These artifacts, crafted from bone, predate the oldest known dice from Mesopotamia by approximately 6,000 years.

“Historians have traditionally treated dice and probability as Old World innovations,” Madden said. “What the archaeological record shows is that ancient Native American groups were deliberately making objects designed to produce random outcomes, and using those outcomes in structured games, thousands of years earlier than previously recognized.”

Early Dice and Their Significance

The dice discovered are primarily two-sided, or “binary lots,” and were carefully designed to create random results. Researchers established criteria for identifying these artifacts, focusing on objects that were two-sided, of specific shapes, and featured markings on at least one side, all while being easily held in the hand. Crucially, the objects lacked holes, distinguishing them from items used for ornamentation.

The artifacts were located at Late Pleistocene Folsom-period sites in Wyoming, Colorado, and New Mexico. According to a report from ScienceDaily, these discoveries demonstrate that dice, gambling, and games of chance have deep roots in Native American culture, extending back at least 12,000 years.

Social and Intellectual Implications

The emergence of dice games in Native American societies during this period is particularly noteworthy given the social context of the time. As isolated groups began to interact and coalesce, games of chance may have served as a means of social cohesion and a way to navigate interactions with strangers. Robert Weiner, an archaeologist at Dartmouth College, explained that dice games could have helped facilitate interaction in these evolving social landscapes.

Beyond their social function, the development of these games suggests a sophisticated understanding of probability, and randomness. Madden argues that these concepts are foundational to our modern scientific understanding, our modern economy, highlighting the intellectual significance of these early Native American practices. The study indicates that Native American cultures were grappling with complex intellectual concepts long before their counterparts in the Old World.

A Re-evaluation of Archaeological Records

Madden’s research involved a comprehensive review of existing archaeological site reports, spanning three years. He noted that prior to this study, there was no established framework for identifying and categorizing dice within the archaeological record. I did not dig up any new Native American dice,” Madden said. “It just needed somebody to come along and pull it together.”

The findings, as reported by NBC News, are prompting a re-evaluation of the history of human gambling and the development of probabilistic thinking. The study challenges the conventional narrative that these concepts originated in Mesopotamia or other ancient Old World cultures.

Ongoing Research and Future Directions

While this study provides compelling evidence for the early origins of dice and games of chance in North America, further research is needed to fully understand the extent and complexity of these practices. Future investigations may focus on analyzing the specific rules and strategies employed in these ancient games, as well as exploring the cultural significance of gambling within different Native American societies.

The discovery underscores the importance of revisiting and reinterpreting existing archaeological data, and recognizing the contributions of Indigenous cultures to the development of human knowledge and innovation. The study serves as a reminder that the history of mathematics and intellectual thought is more complex and geographically diverse than previously understood.

These concepts end up being foundational to our modern scientific understanding, our modern economy.

Robert Madden, Colorado State University