The phenomenon of generational history. Review of the book: Bezgin V. B., Vyazinkin A. Y., Ippolitov V. A., Safonov D. A., Slezin A. A., Yakimov K. A. The Russian village of the first third of the 20th century: the generation of the “revolutionary turning point”. Moscow : Quadriga Pub., 2025. 504 p.