Eastern Roman Empire: All Data
This page is about the data available for this polity; the chronology of its events is available here.
The Eastern Roman Empire, was the continuation of the Roman Empire in its eastern provinces during Late Antiquity and the Middle Ages. It originated in 395 AD with the final division of the Empire after the death of Theodosius I. The Empire probably divided because it was too large to be administered from one center of power. It survived the fragmentation and fall of the Western Roman Empire in the 5th century AD and continued to exist. The Empire officially ended with the Ottoman conquest of Constantinople, its capital, in 1453. However, the Eastern Roman Empire had several phases of territorial expansion and loss. After the Fall of its Western counterpart, Emperor Justinian was able to reconquer much of the territories its western counterpart had lost, including Italy, North Africa and southern Spain. Starting with the reign of Heracluius in 610 we change the denomination of the country to Byzantine Empire, because at this point it was a radically different country with a different language, a different legal system and a different territorial organization than the Roman Empire. During the Fourth Crusade (1204) Western European Kingdoms conquered Constantinople, leading to the fragmentation of the Byzantine Empire into Byzantine successor states and vassal polities of the western European conquerors. This may be considered the end of the Byzantine power in the Mediterranean Basin. The Byzantine Empire only resurfaced at the end of the the XIII century, much reduced in size. Also the traditional end of the Empire in 1453 is matter of dispute, as several successor states (like the Despotate of Morea) continued to exist for some time.
1. Genealogy
2. Maps of Political Control Over Time
Eastern Roman Empire : Map showing the initial year each territory was ruled by the polity
Eastern Roman Empire : Map depicting the polity's ruler in power when each territory was first controlled
Eastern Roman Empire : Maximal Extension of the Polity
3. Monthly Summaries
4. Lists and Timelines
Eastern Roman Empire : List of events the polity was involved in
Eastern Roman Empire : List of Rulers
Eastern Roman Empire : Timeline of Rulers
5. Rankings
Eastern Roman Empire : Top rulers ordered by largest reached area
Eastern Roman Empire : Top wars ordered by largest reached area
Eastern Roman Empire : Top rulers by territorial gain or loss in terms of area difference
Eastern Roman Empire : Top wars by territorial gain or loss in terms of area of the changes
Eastern Roman Empire : Top wars by territorial gain or loss in terms of area difference
6. Time Series
Eastern Roman Empire : Time Series of all Territorial Changes
Eastern Roman Empire : time series of its population and area throughout history
7. All Events mentioned in Territorial Changes
Definitive Division of the Roman Empire
Gothic War (401-403)
Temporary Occupation of Epirus
Hunnic Invasion of the Eastern Roman Empire
Vandalic Invasion of Peloponnesum
Gepid Annexion of Sirmium
Independence of Roman centers in Dalmatia
Anastasian War
Iberian War
Vandalic War
Visigothic Annexation of Ceuta
Surrender of Gelimer
Gothic War (535-554)
First Intervention (Gothic War)
Byzantine War gainst the Moors
Bzyantine conquest of Septem
Lazic War
Byzantine reconquest of Spania
Second Intervention (Gothic War)
Frankish Invasion of Italy (555)
Capitulation of Campsa
The Avars settle up in the lower Danube Basin
Visigothic conquest of Spania
Collapse of the Gepid Kingdom
Lombard-Gepid War (567)
Lombard conquests under king Alboin
Lombards enter Italy
Lombard Invasion of Italy
Lombard conquest of Aquileia, Vicenza and Verona
Lombard conquest of Lucca and Milan
Visigothic reconquest of Gades
Byzantine Africa invaded by Garmul
Campaigns of Liuvigild
War between the Mauro-Roman Kingdom and the Byzantine Empire
Lombard conquest of Pavia
Reconquest of Cordoba
Byzantine-Sasanian War of 572-591
Clefi´s conquest of Tuscia
Liuvigild conquers Orospeda
Defeat of Garmul
Siege of Rome (580)
Conquest of Classis
Rule of the Dukes
Avarian conquest of Sirmio
Siege of Naples (582)
Avar annexation of Singidunum and Viminacium
Byzantine reconquest of Classis
Military campaigns of Agilulf
Siege of Naples (593)
Campaigns of Byzantine Hexarc Romanus against the Lombards
Lombard conquest of Parma and Piacenza
Conquest of Capua
Conquest of Venafro
Arechi I's Expansion
Lombard conquest of Crotone
Callinicus conquers Parma
Persian dominance (Byzantine-Sasanian War of 602-628)
Byzantine-Sasanian War of 602-628
8. All Cities mentioned in Territorial Changes
Nisibis
Capua
Piombino
Montepulciano
Siena
Colle Val d'Elsa
Livorno
San Miniato
Bibbiena
Empoli
Pisa
Pisa
Florence (Italy)
Fiesole
Prato
Pistoia
Grosseto
Volterra
Arezzo
Viterbo
Sutri
Martyropolis
Oxyrhynchus
Naukratis
Alexandria (Egypt)
Euhesperides
Ptolemais
Barke
Caesarea Maritima
Taucheira
Kyrene
Caesarea Philippi
Beirut
Byblos
Kourion
Amathus
Paphos
Lebena
Matala
Rhitten
Idalion
Stalai
Marion
Priansos
Phaistos
Biannos
Aulon (Crete)
Gortyns
Malla
Arkades
Praisos
Istron
Soloi (Cyprus)
Bionnos
Lato
Dragmos
Salamis (Cyprus)
Petra (Crete)
Itanos
Lyktos
Anopolis
Rhaukos
Tarrha
Eltynia
Lisos
Dreros
Olous
Sybrita
Hyrtakina
Elyros
Lappa
Knossos
Milatos
Axos
Tylisos
Chersonasos
Eleutherna
Lapethos
Keryneia (Cyprus)
Herakleion (Crete)
Rhithymnos
Allaria
Kasos
Keraia
Apellonia
Kytaion
Polyrhen
Aptara
Arkesseia
Polichne
Phalasarna
Kydonia
Karpathos
Eteokarpathioi
Karpasia
Ebla
Brykous
Posideion (Syria)
Saros
Nagidos
Kelenderis
Aphrodisias
Chalke
Antioch
Myra
Kythera
Holmoi
Brikindera
Kamiros
Xenthos
Anaphe
Thera
Ialysos
Rhodos
Telos
Side (Lakedaimon)
Etis
Boia
Phaselis
Astypalaia
Nisyros
Syme
Idyros
Pholegandros
Telemessos
Telandros
Krya
Sikinos
Melos
Knidos
Soloi (Kilikia)
Oitylos
Chios (Karia)
Ios
Las
Epidauros (Lakedaimon)
Astypalaia (Kos)
Kalynda
Amos
Mallos
Aulai
Gytheion
Side (Pamphylia)
Side (Pamphylia)
Halasarna
Passanda
Thalamai
Arkesine
Asine
Kimolos
Methoni
Minoa
Kaunos
Karbasyanda
Kos Meropis
Issos
Kardamyle
Pyrnos
Keria
Kos
Pyrindos
Aigiale
Tarsus
Aspendos
Korone
Perge
Kyphanta
Kalymna
Siphnos
Kedreai
Geronthrai
Termera
Amynandeis
Bargasa
Pharai (Messenia)
Halikarnassos
Keramos
Ouranion
Syangela/Theangela
Messene/Ithome
Idyma
Kyllandos
Pedasa
Sparta
Olaieis
Paros
Thouria
Pladasa
Naxos (The Aegean - Cyclades)
Karyanda
Medmasos
Hydisos
Prasiai
Kyparissos
Taramptos
Leros
Seriphos
Killareis
Sellasia
Kindye
Bargylia
Pellana
Idrias
Aigys
Belbina (Lakedaimon)
Iasos
Iasos
Hydaieis
Halieis
Mylasa
Aulon (Messenia)
Koliyrgeis
Oios
Oresthasion
Chalketor
Parpariotai
Thasthareis
Eutaia
Euromos
Olymos
Hermion
Kythnos
Lykosoura
Thyrea
Phigaleia
Delos
Megalopolis
Pedasa
Asea
Rheneia
Eua
Syros
Lepreon
Tegea
Pallantion
Anthana
Trapezous (Arkadia)
Mykonos
Belbina (Saronic Gulf)
Troezen
Latmos/Herakleia
Miletos
Kalaureia
Alipheira
Gortys
Dipaia
Naxia
Alinda
Karthaia
Helisson
Epeion
Methana
Epidauros (Argolis)
Alabanda
Myous
Poiessa
Teuthis
Tiryns
Makiston
Amyzon
Skillous
Heraia
Tenos
Nestane
Argos (Argolis)
Mantinea
Therma
Oine
Epitalion
Thebai (Ionia)
Phrixai
Ioulis
Pissa
Marganeis
Methydrion
Thisoa
Koresia
Priene
Pyrgos
Letrinoi
Helene
Dyspontion
Torthyneion
Thelphousa
Orneai
Orchomenos (Arkadia)
Mykenai
Aigina
Amphidolia
Kleitor
Samos
Alea
Halous
Kaphyai
Thaliades
Anaia
Lasion
Paion (Arkadia)
Zakynthos
Kleonai (Argolis)
Marathesion
Andros
Tralles
Phleious
Pylos
Leukophrys
Magnesia (Mai)
Stymphalos
Tralleis
Pygela
Psophis
Elis
Pheneos
Korinthos
Kyllene (Elis)
Salamis (Attika)
Tritaia
Korinthos
Ephesos
Lousoi
Megara (Megaris)
Athens (Greece)
Sikyon
Notion (Ionia)
Nonakris
Dios Hieron
Kynaitha
Pellene
Phelloe
Lebedos
Pharai (Achaia)
Pagai
Kolophon
Leontion
Aigeira
Boura
Dyme
Pronnoi
Aigosthena
Aigai
Korykos
Olenos
Same (greece)
Larissa
Styra
Kranioi
Siphai
Keryneia (Achaia)
Airai
Helike
Rhypai
Plataiai
Hysiai
Paleis
Erythrai (Boiotia)
Patrae
Polichnitai (Ionia)
Aigion
Chorsiai
Thisbai
Eutresis
Boulis
Thespiai
Potniai
Tanagra
Thebai (Boiotia)
Skolos
Boutheia
Koroneia
Oropos
Trachis (Phokis)
Chyton
Chalkis (Aitolia)
Myania
Makynea
Klazomenai
Neon/Tithorea
Pharai (Boiotia)
Ithaka
Oianthea
Medeon
Tolophon
Chios (Ionia)
Kalydon
Haliartos
Chaleion
Erythrai (Ionia)
Antikyra
Dystos
Grynchai
Molykreion
Stiris
Alalkomenai
Halikyrna
Eretria
Nafpaktos
Teithronion
Oiniadai
Teos
Pleuron
Mykalessos
Aiolidai
Smyrna
Ambryssos
Kirrha
Livadeia (Boeotia)
Proschion
Akraiphia
Chalkis (Euboia)
Naulochon
Hypnia
Phlygonion
Delphoi
Pteleon
Trichoneion
Sardis
Aigition
Kopai
Chaironeia
Orchomenos (Boiotia)
Phanoteus
Anthedon
Daulis
Amphissa
Astakos (Akarnania)
Kallion
Parapotamioi
Hyettos
Troneia
Leukai
Larymna
Hyampolis
Magnesia
Melanpagos
Koronta
Matropolis
Agrinion
Pedieis (Phokis)
Lilaia
Elateia (Phokis)
Erochos
Abai
Phara (Akarnania)
Amphikaia
Derion
Opous (East Lokris)
Charadra
Halai
Neon Teichos
Sidousa
Erineos
Stratos
Ledon
Larisa (Aiolis)
Phokaia
Temnos
Akyphas/Pindos
Phoitiai
Boion
Drymos
Alyzeia
Kytinion
Naryka
Leukas
Kynos
Kyllene (Aiolis)
Alope
Alope
Torybeia
Tisna
Thronion
Medion
Knemides
Sollion
Anthele
Palairos
Nikaia (East Lokris)
Orobiai
Alponos
Aigai (Aiolis)
Herakleia (Trachis)
Myrina (Aiolis)
Athenai Diades
Dion (Euboia)
Thyrreion
Antikyre
Kyme (Aiolis)
Limnaia
Hypata
Gryneion
Argos (Akarnania)
Echinos (Malis)
Herakleia (Akarnania)
Lamia
Larisa (Achaia Phthiotis)
Skyros
Echinos (Akarnania)
Euripos
Anaktorion
Pitane
Histiaia/Oreos
Berenike
Elaia
Antron
Posideion (Euboia)
Teuthrania
Melitaia
Halisarna
Ktimene
Kypaira
Gambrion
Atarneus
Mytilene
Panormos
Peparethos
Angeia
Thaumakoi
Pergamon
Pergamon
Pergamon
Olizon
Kassopa
Halos
Ekkarra
Boucheta
Ambrakia
Pyrrha
Elateia (Epeiros)
Karene
Skiathos
Eresos
Seleinous
Spalauthra
Peuma
Orthos
Batiai
Parthenion
Perperene
Arisba
Phylake
Ephyra
Proerna
Thebai (Achaia Phthiotis)
Horraon
Pandosia (Epeiros)
Pyrasos
Torone (Epeiros)
Chalkis (Aiolis)
Antissa
Pharsalos
Herakleia (Aiolis)
Amphanai
Pagasai
Thetonion
Methone (Magnesia)
Nasos
Pordoselene
Metropolis (Thessalia)
Argethia
Kierion
Methymna
Pherai
Skotoussa
Kisthene
Argoussa
Iolkos
Methylion
Peirasia
Elea
Gomphoi
Assos
Adramyttion
Krannon
Lamponeia
Hamaxitos
Dodona
Trikka
Pharkadon
Atrax
Gitana
Antandros
Pelinnaion
Thebe
Gargara
Kasthanaie
Korkyra
Larisa (Troas)
Eurymenai (Epeiros)
Larisa (Thessalia)
Phanote
Tekmon
Amyros
Kokylion
Kolonai (Troas)
Ereikinion
Passaron
Meliboia
Neandreia
Phalanna
Mylai (Perrhaibia)
Kebren
Bouthroton
Chyretiai
Rhizous
Mopsion
Gyrton
Kondaia
Skepsis
Tenedos
Phaloria
Eurymenai (Magnesia)
Malloia
Gonnos
Gentinos
Myrina (The Aegean - Northern Aegean)
Homolion
Gergis
Oloosson
Phoinike
Skione
Therambos
Birytis
Ilion
Hephaistia
Herakleion (Makedonia)
Mondaia
Sigeion
Mende
Aige
Azoros
Rhoiteion
Neapolis (Chalkidike)
Ophryneion
Leibethra
Astyra Troika
Doliche
Pythoion
Elaious
Astyra Troika
Dardanos
Sarte
Sane (Pallene)
Aphytis
Daskyleion
Imbros
Dion (Makedonia)
Aiane
Akrothooi
Madytos
Poteidaia
Abydos (Hellespont)
Arisbe
Galepsos (Chalkidike)
Zeleia
Miletoupolis
Miletouteichos
Kleonai (Chalkidike)
Sestos
Palaiperkote
Singos
Limnai
Perkote
Mekyberna
Didymon Teichos
Thyssos
Sinos
Pleume
Olynthos
Sermylia
Aioleion
Alopekonnesos
Spartolos
Orikos
Gigonos
Olophyxos
Skabala
Artaiou Teichos
Haisa
Kolonai (Propontic Coast of Asia Minor)
Myrleia/Bryllion
Harpagion
Piloros
Lampsakos
Dion (Chalkidike)
Sane (Akte)
Aigos Potamoi
Assera
Stolos/Skolos
Amantia
Cyzicus
Skylake
Cyzicus
Akanthos
Pythopolis
Skithai
Pydna
Plakia
Paisos
Artake
Priapos
Krithote
Parion
Kithas
Tinde
Anthemous
Kios
Dikaia (Chalkidike)
Methone (Makedonia)
Aineia
Aigeai
Samothrake
Strepsa
Paktye
Nikaia (Epeiros)
Ide
Paion (Thracian Chersonesos)
Chersonesos/Agora
Beroia
Stagiros
Kalindoia
Bysbikos
Kardia
Aloros
Byllis
Olympa
Tyrodiza
Apollonia (Mygdonia)
Mieza
Neapolis (Propontic Thrace)
Chalestre
Arethousa
Deris
Sindos
Bormiskos
Thasos
Astakos (Propontic Coast of Asia Minor)
Apollonia (The Adriatic)
Ainos
Allante
Apollonia (Thrace: from Strymon to Nestos)
Lete
Galepsos (Thrace: from Strymon to Nestos)
Herakleia (Mygdonia)
Serrion Teichos
Pella
Phagres
Ichnai
Edessa (Macedonia)
Amphipolis
Argilos
Oisyme
Traïlos
Kyrrhos
Sale
Zone
Drys
Mesambria (Thrace: from Nestos to Hebros)
Europos
Maroneia
Myrkinos
Berga
Kerasous
Datos
Kypsela
Apros
Neapolis (Thrace: from Strymon to Nestos)
Stryme
Perinthos
Pistyros
Abdera
Bisanthe
Kotyora
Kalchedon
Dikaia (Thrace: from Nestos to Hebros)
Philippoi
Odeinios
Trapezous (Pontic Coast of Asia Minor)
Philippoi
Constantinople
Heraion Teichos
Daminon Teichos
Bergepolis
Stameneia
Selymbria
Lykastos
Sirra
Constantinople
Themiskyra
Herakleia (Pontic Coast of Asia Minor)
Amisos
Epidamnos
Tieion
Sesamos
Lissos
Karoussa
Kromna
Kytoros
Koloussa
Kinolis
Karambis
Sinope
Philippopolis
Pistiros
Apollonia (Pontos:West Coast)
Kabyle
Seuthopolis
Mesambria (Pontos:West Coast)
Memphis
Ptolemais Hermiou
Naukratis
Ptolemais Euergetis
Thebes
Pelusium
Berenice Troglodytica
Berenike
Kassopa
Boucheta
Elateia (Epeiros)
Batiai
Ephyra
Horraon
Pandosia (Epeiros)
Torone (Epeiros)
Elea
Dodona
Gitana
Eurymenai (Epeiros)
Phanote
Tekmon
Passaron
Korkyra
Bouthroton
Phoinike
Berenike
Kassopa
Boucheta
Elateia (Epeiros)
Batiai
Ephyra
Horraon
Pandosia (Epeiros)
Torone (Epeiros)
Elea
Dodona
Gitana
Eurymenai (Epeiros)
Phanote
Tekmon
Passaron
Oitylos
Las
Gytheion
Thalamai
Kardamyle
Pharai (Messenia)
Oitylos
Las
Gytheion
Thalamai
Kardamyle
Pharai (Messenia)
Theodosiopolis
Theodosiopolis
Amida
Edessa
Edessa
Syllectum
Ad Decimum
Ad Decimum
Carthage
Carthage
Caput Vada
Caput Vada
Leptis Parva
Adrumetum
Hippo Regius
Kinyps
Leptis Magna
Alalia
Leptis Parva
Cirta
Iol Caesarea
Icosium
Rusicade
Ceuta
Heloron
Akrai
Syrakousai
Stielanaioi
Megara (Sikelia)
Leontinoi
Catania
Katane
Melaina Korkyra
Issa
Narona
Pharos
Kamarina
Gela
Kasmenai
Euboia
Akragas
Herakleia Minoa
Herbessos
Morgantina
Henna
Mytistratos
Selinous
Aitna
Kentoripa
Agyrion
Adranon
Piakos
Hippana
Engyon
Herbita
Naxos (Sikelia)
Tauromenion
Himera
Alaisa
Apollonia (Sikelia)
Abakainon
Alontion
Longane
Tyndaris
Messana
Mylai (Sikelia)
Lipara
Regium
Naples (Italy)
Naples (Italy)
Rome
Rome
Arimium
Ancona
Rome
Mediolanum
Cortona
Gubbio
Arezzo
Fiesole
Perugia
Clusium
Volsinii
Clusium
Orvieto
Rhegion
Lokroi
Metauros
Medma
Hipponion
Terina
Temesa
Kroton
Sybaris
Thourioi
Laos
Pyxous
Siris
Hyele
Herakleia (Italia and Kampania)
Pandosia (Italia and Kampania)
Metapontion
Poseidonia
Brentesion
Pompeii
Herculaneum
Capua
Ostia
Veii
Vulci
Volterra
Spina
Adria
Cerveteri
Tarquinia
Vetulonia
Populonia
Rusellae
Roselle
Spina
Murlo
Felsina
Adria
Petra
Spina
Felsina
Ceuta
Veii
Cortona
Gubbio
Volterra
Arezzo
Fiesole
Spina
Perugia
Clusium
Volsinii
Clusium
Orvieto
Murlo
Felsina
Campsa
Campsa
Herculaneum
Hispalis
Archaeopolis
Phasis
Archaeopolis
Phasis
Archaeopolis
Phasis
Pithekoussai
Emona
Hispalis
Sirmium
Aquileia
Aquileia
Vicenza
Verona
Mediolanum
Lucca
Mediolanum
Lucca
Gades
Gades
Cuneo
Alessandria
Asti
Turin
Padova
Novara
Ivrea
Brescia
Bergamo
Monza
Legnano
Trento
Bobbio
Pordenone
Aosta
Como
Lecco
Biella
Fossano
Córdoba (Spain)
Córdoba (Spain)
Nisibis
Benevento
Classis
Classis
Rome
Rome
Sirmium
Modena
Martyropolis
Modena
Mantova
Parma
Regium
Piacenza
Modena
Mantova
Parma
Regium
Piacenza
Singidunum
Sutri
Bomarzo
Orte
Todi
Amelia
Perugia
Luceoli
Naples (Italy)
Modena
Modena
Mantova
Mantova
Parma
Piacenza
Capua
Venafro
Venafro
Nola (Italy)
Kroton
Nuceria Alfaterna
Parma
Parma
Parma
Mardin
Amida
Mardin
Amida
Singidunum
Viminacium
Naples (Italy)
Edessa
Hippo Regius
Rome
Arimium
Pavia
Nuceria Alfaterna
Verona
Verona
Odessos
Dionysopolis
Bizone
Oescus
Kallatis
Tomis
Istros
Orgame
Pavia
Singidunum
Melaina Korkyra
Issa
Narona
Pharos
Korkyra
Bouthroton
Phoinike
Nola (Italy)
Atella
Naples (Italy)
Naples (Italy)
Naples (Italy)
Atella
Kroton
Amida
Rome
Rome
Rome
Melaina Korkyra
Issa
Narona
Pharos
Sirmium
Cortona
Gubbio
Volterra
Arezzo
Fiesole
Perugia
Clusium
Volsinii
Clusium
Orvieto
Murlo
Regium
Chieti
Camerino
Pescara
Traani
Teramo
L'Aquila
Ascoli Piceno
Naples (Italy)
Nisibis
Modigliana
Faenza
Ravenna
Bologna
Ferrara
Forli
Rovigo
Rome


