Native Americans invented dice and games of chance more than 12,000 years ago, archaeological study reveals.

📷Robert Madden
https://www.livescience.com/archaeology/americas/native-americans-invented-dice-and-games-of-chance-more-than-12-000-years-ago-archaeological-study-reveals

Robert Madden of Colorado State University identified and examined more than 600 sets of dice, or binary lots, recovered from 45 different archaeological sites in the western United States, on both sides of the Rocky Mountains.

https://www.cambridge.org/core/journals/american-antiquity/article/probability-in-the-pleistocene-origins-and-antiquity-of-native-american-dice-games-of-chance-and-gambling/E38C7B1F4CE7F417D8EFAC5AFEEF20A2