medievalists.net/2026/10/worlds-oldest-dated-printed-book A Date, Two Parents, and a Gift: The Story Behind the World’s Oldest Dated Printed Book
A short inscription at the end of the 868 Diamond Sutra names a sponsor, Wang Jie, and says the scroll was made for free distribution on behalf of his two parents. It doesn't say who carved the blocks, why he commissioned it, or whether the parents were alive.
— via Medievalists.net, Medievalists.net
