This is the 129th day of the Gaian year. On this day chapter 129 of the Gaiad is read, telling the story of The Dawn of Humanity Aries 17 - Pre-Human Animal Chapters - Stage VI (Threshold) ## Arc Overview - Chapter 17 of 17: Pre-Human Animal Chapters (Cenozoic arc) - Stage VI: Threshold (Chapter 129) - Timeline: Pliocene (~5-2.