Ambrosius Aurelianus as a war leader of the Romano-British who won an important battle in the 5th century, according to a 6th-century British monk best known for his scathing religious polemic which recounts the history of the Britons before and during what?
Gildas Gildas (Breton: "Gweltaz", c. 500–570) — also known as Gildas the Wise or Gildas Sapiens — was a 6th-century British monk best known for his scathing religious polemic "De Excidio et Conquestu Britanniae", which recounts the history of the Britons before and during the coming of the Saxons. He is one of the best-documented figures of the Christian church in the British Isles during the sub-Roman period, and was renowned for his Biblical knowledge and literary style. In his later life, he emigrated to Brittany where he founded a monastery known as St. Gildas de Rhuys.
Festus (historian) Festus (  4th century ), whose name also appears in the manuscripts of his work as Rufus Festus, Ruffus Festus, Sextus Festus, Sextus Rufus, and Sextus, was a Late Roman historian and proconsul of Asia whose epitome "Breviarium rerum gestarum populi Romani" ("Summary of the history of Rome") was commissioned by the emperor Valens in preparation for his war against Persia. It was completed about AD 370. The "Breviarium" covers the entire history of the Roman state from the foundation of the City until AD 364. The book consists of 30 chapters treating events in Roman history in terse overview, mainly focused on military and political conflicts. It is estimated as a work of very low quality.