Europe, 22 Sep 296: Battle of Calleva Atrebatum
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Political map of Europe & the Mediterranean on 22 Sep 296 (Diocletian and the Tetrarchy: Battle of Calleva Atrebatum), showing the following events: Diocletian’s provincial reform; Narseh vs Bahram III; Busiris–Coptos revolt; Siege of Gesoriacum; Constantius’ Frisian Campaign; Allectus; Diocletian’s Third Sarmatian Campaign; Carpian Campaign of 296; Battle of Calleva Atrebatum.

R o m a n E m p i r e(Diocletian & Maximian)

F i n n o - U g r i c P e o p l e s

Sasanian
Persian Empire(Narseh)

( Constantius )

Tervingi(R. client)

Kushano-
Sasanian
Empire

M. Tingitana(R. imp.)

Africa Proconsularis(R. sen.)

Iberia(Per. vas.)

Albania(Per. vas.)

Lusitania(R. imp.)

Bosporan
Kingdom(R. client)

Macedonia(R. sen.)

Quadi(R. client)

S a r m a t i a n s

Colchis(R. client)

Lakhmid K.(Per. vas.)

Numidia(R. imp.)

Cappadocia(R. imp.)

Dalmatia(R. imp.)

Noricum(R. imp.)

Phoenice(R. imp.)

Achaea(R. sen.)

Sicily(R. sen.)

Belgica(R. imp.)

Syria Coele(R. imp.)

Aquitania(R. imp.)

Narbonensis(R. sen.)

Cilicia(R. imp.)

Mauretania
Caesariensis(R. imp.)

Cyprus(R. sen.)

Lower
Britain(All.)

Bithynia
& Pontus(R. imp.)

Baetica(R. sen.)

Lugdunensis(R. imp.)

Galatia(R. imp.)

Corsica
&
Sardinia(R. sen.)

Thrace(R. imp.)

Upper
Britain(All.)

Arabia
Petraea(R. imp.)

Tarraconensis(R. imp.)

Palestine(R. imp.)

Raetia(R. imp.)

Cyrenaica(R. sen.)

Tanukhid K.(R. client)

Wielbark
Culture

Thessaly(R. imp.)

Armenia(R. client)

Osrhoene(R. imp.)

Upper
Germania(R. imp.)

Lower
Germania(R. imp.)

Upper
Pannonia(R. imp.)

Epirus(R. imp.)

Lycia &
Pamphylia(R. sen.)

L. Moesia(R. imp.)

Phrygia & Caria(R. imp.)

Insulae(R. imp.)

Mesopotamia(R. imp.)

Przeworsk
culture

Rhysaddir?(M.T.)

Aug. Treverorum

Calleva Atrebatum

Mar 293–May 305Diocletian increases
number of provinces

293Narseh overthrows
Bahram III of Persia

293?–294?Cities in revolt
in Upper Egypt

293Constantius captures
Gesoriacum from Carausius

293Constantius defeats Frisian
incursion into Gaul

293Allectus overthrows
Carausius in Britain

294Diocletian attacks and
crushes Sarmatians

296Romans conduct
raid on Carpi

Sep 296Constantius
defeats Allectus
in Britain

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