Festivals like Saturnalia and Diwali have long included games of chance, making...

https://www.easybookmarkings.win/festivals-have-long-been-tied-to-gambling-with-special-games-and-traditions

Festivals like Saturnalia and Diwali have long included games of chance, making gambling part of the celebration. Calendars helped set clear end dates for these traditions to keep risk in check