Information of the neopagan holiday Mabon (autumnal equinox)?

Question

specifically its history and how it was celebrated by peoples and religions of the past

Answer 1

Mabon ;is the celebration of the bringing in of the second havest. This is usually when wheat and grains were harvested. It is my understanding that this is when the most bread making took place. (it is also known as loafmass) It is a time of thankgiving to the the earth and the gods for all that they have provided for us.