This man's capture of the port of Bononia, modern day Boulogne, in Gaul led to the assassination of a usurper who became commander of the British fleet after helping defeating the bagaudae.
This man's capture of the port of Bononia, modern day Boulogne, in Gaul led to the assassination of a usurper who became commander of the British fleet after helping defeating the bagaudae. This man's subordinate Ascelpiodotus defeated the Frankish mercenaries of the successor of that usurper Carausius, Allectus. This man defeated the Alemani at Vindonissa. By his second wife Theodora, this man fathered Flavius Dalmatius who was later censor at Antioch. The aforementioned Carausius came to power during the reign of this man's senior, Maximian. He was the paternal grandfather of the last Roman pagan emperor. As Augustus, he suddenly died in York in 305, which along the passing over of his son for the position of Caesar led to the breakup of the Tetrarchy. The True Cross was supposedly found by his first wife Helena. For 10 points, name this father of Constantine the Great.
This man's capture of the port of Bononia, modern day Boulogne, in Gaul led to the assassination of a usurper who became commander of the British fleet after helping defeating the bagaudae.
{Constantius Chlorus} [accept {Constantius I}]