Europe, 04 Apr 390: Massacre of Thessalonica
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Political map of Europe & the Mediterranean on 04 Apr 390 (Theodosian Dynasty: Massacre of Thessalonica), showing the following events: Battle of Poetovio; Marcomer; Death of Magnus Maximus; Campaign against Victor; Massacre of Thessalonica.

R o m a n E m p i r eTheodosius I, Valentinian II, & Arcadius

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

Sasanian
Persian EmpireBahram IV

Prefecture of
GaulValent. II; Arbogast;
R. pref.

Prefecture of
Italy,
Illyricum & AfricaR. pref.

Prefecture of
the EastR. pref.

H u n s /

X w n

PannoniaeIt. diocese

LazicaR. client

Lakhmid K.Per. vas.

BaquatesR. client

ThraciaeEa. diocese

PonticaEa. diocese

GalliaeGa. diocese

AsianaEa. diocese

OriensEa. diocese

AfricaIt. diocese

DaciaIt. diocese

MacedoniaIt. diocese

HispaniaeGa. diocese

BritanniaeGa. diocese

Wielbark
Culture

AegyptusEa. diocese

IberiaPer. vas.

AlbaniaPer. vas.

FranksR. client

Septem
ProvinciaeGa. diocese

ArmeniaPer. vas.

MaskutPer. vas.

Italia
SuburbicariaIt. vicar.

Italia
AnnonariaIt. vicar.

Salihid K.R. client

GhassanidsR. client

Przeworsk
culture

GuotodinR. client

DumnoniaR. client

Bosporan
KingdomR. client

Rhysaddir?Hisp.

Aug. Treverorum

388Theodosius defeats
Magnus Maximus
at Poetovio

Aug 388–?? 389Romans clash with
Franks on Rhine

Aug 388Magnus Maximus
killed at Aquileia

388–389?Arbogast establishes
Theodosian rule in Gaul

Apr 390Theodosius massacres
mob in Thessalonica,
angering bishop Ambrose

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