Festivals have long included games of chance, from dice at Saturnalia to teen...

https://www.hotel-bookmarkings.win/this-article-explores-how-festivals-like-saturnalia-diwali-lunar-new-year

Festivals have long included games of chance, from dice at Saturnalia to teen patti during Diwali and mahjong at Lunar New Year. Setting a clear end date using calendars helped keep gambling part of the celebration, not a year-round problem