In the winter of 407 AD, Roman soldiers in Britain raised a dying soldier named Constantine to the purple. Within three months, he controlled the wealthiest provinces of the Western Empire. Within four years, he was dead—and Britain was lost to Rome forever.
Drawing on Orosius, Zosimus, Sozomen, and archaeological evidence, this biography reconstructs Constantine III's brief reign (407–411 AD) through the crisis that severed Britain from Mediterranean civilization. Watch him battle Vandals, Alans, and Suevi flooding across the frozen Rhine. Follow his son Constans into Spain as his general Gerontius plots betrayal. Witness the siege that brought three rival emperors into final confrontation—and the execution that ended not just one usurper's ambition but three and a half centuries of Roman rule in Britain.
This is the documented story of a consumptive officer who gambled everything on preserving imperial order—and paid for three months of supremacy with a province's permanent loss.
No hagiography. No speculation. Just the man who condemned Britain.