Great Conspiracy of 367 AD
Who Fought
Roman garrison mutineers allied with Picts, Attacotti, Scoti, and Saxons attacking; relief force under Theodosius comprising Batavi, Heruli, Iovii, and Victores units
History & Significance
Year 367 (CCCLXVII) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Lupicinus and Iovanus (or, less frequently, year 1120 Ab urbe condita). The denomination 367 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Battle of Solicinium: Emperor Valentinian I launches a punitive expedition against the Alamanni, due to the crises in Britannia and Gaul. The Alamanni re-cross the Rhine and plunder Moguntiacum (modern Mainz).
Valentinian I declares that Christians will not be forced into gladiator training schools.
Great Conspiracy: The Roman garrison on Hadrian's Wall revolts and allows Picts from Caledonia to devastate Britain. Simultaneously Attacotti, the Scotti from Hibernia (Ireland), and the Saxons from Germania invade the island's mid-western and south-eastern borders. They sack the cities and murder, rape or enslave Romano-British civilians.
Eunomius of Cyzicus is banished to Mauretania for harbouring the usurper Procopius.
August 4 – Gratian receives the title of Augustus under his father, Valentinian I.
Winter – Valentinian I mobilises a massive army for his campaign against the Alamanni and the Franks. He summons the Italian and Illyrian legions for a spring offensive.
The first Korean envoy arrives in Japan, emissary of the government of Kudara.
The first Listing of the New Testament (Bible) is made by St. Athanasius of Alexandria.
November 16 – Antipope Ursicinus is banished by the praefecti to Gaul.
In the region of the constellation Perseus, a star not visible to the naked eye, and 1,533 light years distant from Earth, explodes in a nova. The light from the star, now called GK Persei, was first detected on Earth on February 21, 1901.
January 13 – Hilary of Poitiers, Byzantine bishop, Doctor of the Church and saint (b. c. 315)
The ground they fought on
The site of Great Conspiracy of 367 AD lies on Yoredale Group, bedrock that formed in the Bashkirian. The rock here is limestone, sandstone, siltstone and mudstone.
Approaching Londinium with his relief force, Theodosius divided his troops into many parts and attacked the predatory bands of the enemy which were ranging about laden with heavy packs; quickly routing those who were driving along prisoners and cattle, he wrested from them the booty which the wretched tribute-paying people had lost, and entered the city rejoicing and as if celebrating an ovation, having restored order more quickly than rescue could have been expected.
- Comes maritime tractus Nectaridus killed; dux Fullofaudes besieged or captured; mutineers subsequently executed; widespread Romano-British civilian deaths, enslavement, and injury recorded
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