ANASTASIUS II: The Reformer Who Prepared for Arab Invasion

Into this catastrophe stepped Anastasius II—an obscure bureaucrat who understood that empires survive through preparation, not prayers. For twenty desperate months, he rebuilt Byzantine military capacity, resurrected a naval force wielding Greek fire, restored Constantinople's legendary walls, reformed bankrupt finances, and healed the schism with Rome—all while facing fierce opposition.

Then his enemies overthrew him.

Two years later, when the largest Arab assault force in history surrounded Constantinople in 717-718, the Byzantine defenses held. The walls Anastasius had restored repelled every assault. The fleet he had rebuilt destroyed Muslim vessels by the hundreds. Constantinople survived. Europe was saved. And history forgot the man who made it possible.

Drawing on Byzantine chronicles, Arabic sources, and modern scholarship, this meticulously researched biography resurrects the emperor who sacrificed his throne to save his empire—a ruler who chose strategic necessity over political comfort and created defensive capacity he would never live to see tested but which proved decisive when testing came.

This is the account of how one forgotten emperor's twenty-month reign determined whether Christian civilization would survive the eighth century. The walls still stand in Istanbul today—silent monuments to a bureaucrat who became the unlikely savior of Byzantium.