Secular Solstice

The Secular Solstice is a holiday tradition invented by Less Wrong user Raymond Arnold. It is celebrated onon-or-near December 21st, the winter solstice in the northern hemisphere. It is typically celebrated in large groups with a ceremony involving singing and storytelling.

Applied to Vocal Range by Multicore at 1y
Applied to Big Community Solstice by Multicore at 1y
Applied to The Bay Area Solstice by Multicore at 1y
Applied to Bay Area Solstice 2015 by Multicore at 1y