Christian mob. The murder of an academic was unusual, and sent shock waves through the Roman Empire. 431: Council of Ephesus is convened by Theodosius II. 432: Saint Patrick begins his conversion of Ireland to Christianity, Ireland becomes the first European nation outside of Roman territory to be converted. Celtic Christianity, otherwise known as insular Christianity begins to set traditions and customs unique to speakers of Celtic languages, while still venerating the Pope. 451: Battle of the Catalaunian Plains, the Hunnic Confederation and an alliance of Western Romans and Visigoths fight to a draw. Council of Chalcedon convened by Pulcheria and Marcian. 453: Attila the Hun dies. 454: Battle of Nedao: Various germanic vassals rebel against and defeat Attila son: Ellac. End of the Hunnic Empire in Western Europe 455: Vandals under Genseric sack Rome. 476: Romulus Augustus, last Western Roman Emperor is forced to abdicate by Odoacer, a half Hunnish and half Scirian chieftain of the Germanic Heruli; Odoacer returns the imperial regalia to Eastern Roman Emperor Zeno in Constantinople in return for the title of dux of Italy; this marks the end of the Western Roman Empire and is often taken as marking the end of Classical Antiquity. 486: In the Battle of Soissons, Clovis I defeats the Roman rump state of Soissons, establishing Merovingian Francia. c.500: Battle of Badon: Major victory of the Celtic Britons upon the Anglo-Saxons in Britain. 502: Beginning of the Anastasian War between Rome and Sasanid Persia, lasting until 506. 507: Battle of Vouillé: Clovis I of the Franks conquers Gallia Aquitania after defeating the Visigoths. 526-532: Iberian War between Eastern Rome and Sasanid Persia. Iberia becomes a Sasanid vassal. 529: The Eastern Roman Emperor Justinian I orders the prominent philosophical schools of antiquity throughout the Eastern Roman Empire (including the famous Academy in Athens, among others) to close down—allegedly, because Justinian frowned upon the pagan nature of these schools. 532: Battle of Autun (532): Fall of the Kingdom of the Burgundians to the Franks. 533-534: Vandalic War: The Eastern Roman General Belisarius reconquers Africa and destroys the Vandal Kingdom. 534: The Corpus Juris Civilis, otherwise known as the Code of Justinian is completed. The new law code will influence Medieval European Law and the Napoleonic Code. 535-536: A volcanic explosion (presumably in Central America) causes the Extreme weather events of 535–536: For 18 months a veil of dust and ash darkens the