An interesting challenge from Eclectic Voices: “write 100 word fiction (or less) about a pagan tradition. Real or made-up, it doesn’t matter.” I’ll go the MSU route.
The Festival of Rejuvinex was celebrated in pre-Christian communities across the Mediterranean; manuscripts describing the festival have been discovered in modern-day Spain, Libya, and Greece. Some scholars claim the festival was also celebrated in Mesopotamia, although the evidence for this is contested.
Rejuvinex was celebrated during the first full moon after the winter solstice. Celebrants would fast from dawn to dusk, then raise ceremonial lights when the sun disappeared. A communal feast, followed by music and dancing, was held on all four evenings.
Some early Christian sects attempted to incorporate Rejuvinex into their practice; why those attempts failed is a unknown.