One of a series of calamities that engulfed most of Arbre during the last decades of the Praxic Age. First Harbinger was believed to be a worldwide outbreak of violent revolutions. This article is a stub. You can help Anathem Wiki by expanding it. Retrieved from "https://anathem.fandom.com/wiki/First_Harbringer?oldid=4086" Categories: Article stubs History Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.