Theodosius I Biography and Timeline

Governor

Appointed Governor of Moesia Prima

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Succession

Succeeds as Emperor of Rome, in the East

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Edict of Thessalonika

The Edict is issued after Theodosius had been baptized by the Bishop Ascholius of Thessalonica upon suffering a severe illness in Thessalonica

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Edict of Thessalonika

The Edict of Thessalonica (also known as Cunctos populos) isissued by the three reigning Roman Emperors, making Nicene Christianity the state religion of the Roman Empire

Role range: 0379-0395

Edict of Thessalonika

The Edict of Thessalonika is issued under the influence of Acholius, and thus of Pope Damasus I, who had appointed him to affirm a single expression of the Apostolic Faith as legitimate in the Roman Empire, "catholic" (that is, universal) and "orthodox" (that is, correct in teaching)

Role range: 0379-0395

Edict of Thessalonika

Theodosius attempts to suppress all non-Nicene forms of Christianity, especially Arianism, to establish Nicene orthodoxy

Role range: 0379-0395

Nicene Christianity

The Edict of Thessalonica (also known as Cunctos populos) isissued by the three reigning Roman Emperors, making Nicene Christianity the state religion of the Roman Empire

Role range: 0379-0395

Council of Constantinople

The First Council of Constantinople, which affirms the Nicene Symbolum gives final form to the Nicene-Constantinopolitan Creed. The First Council of Constantinople is convened by Theodosius, the second ecumenical council, an effort to attain consensus in the church through an assembly representing all of Christendom, confirmed the Nicene Creed, expanding the doctrine thereof to produce the NicenoConstantinopolitan Creed

Role range: 0379-0395

Edict of Thessalonika

The Edict of Thessalonika is followed by the First Council of Constantinople which affirms the Nicene Symbolum and gives final form to the Nicene-Constantinopolitan Creed

Role range: 0379-0395

Nicene Creed

The First Council of Constantinople is convened by Theodosius, the second ecumenical council, an effort to attain consensus in the church through an assembly representing all of Christendom, confirmed the Nicene Creed, expanding the doctrine thereof to produce the NicenoConstantinopolitan Creed

Role range: 0379-0395

Nicene-Constantinopolitan Creed

The First Council of Constantinople, which affirms the Nicene Symbolum gives final form to the Nicene-Constantinopolitan Creed. The First Council of Constantinople is convened by Theodosius, the second ecumenical council, an effort to attain consensus in the church through an assembly representing all of Christendom, confirmed the Nicene Creed, expanding the doctrine thereof to produce the NicenoConstantinopolitan Creed

Role range: 0379-0395

Theodosius Confronts Western Rival

The eastern emperor Theodosius I faced a new diplomatic problem when the army of Magnus Maximus destroyed Gratians authority.

Theodosius Plans Western Intervention

Theodosius I prepared a military campaign against Magnus Maximus after the latter displaced Valentinian II from Italy.

Battle of Aquileia

Defeats Magnus Maximus, assassinated Emperor Gratian when he entered Italy

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Invasion of Italy

Magnus Maximus invades Italy

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Eastern Army Advances Against Maximus

Theodosius I led an expedition into the western Balkans to defeat the troops loyal to Magnus Maximus and restore Valentinian II.

Excommunication

Theodosius is excommunicated by Ambrose for massacaring 7,000 in Thessalonika

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Massacre

Theodosius massacres 7,000 & must beg forgiveness from the Ambrose, Bishop of Milan

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Reform of Government

Christianity becomes the state religion, all heathen cults are prohibited

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Battle of Frigidus

Defeats Eugenius, re-unite both halves of the Empire under his control

Role range: 0379-0395

Death of Theodosius I

Defeats Eugenius, re-unite both halves of the Empire under his control

Role range: 0379-0395

Rule of Empire

Defeats Eugenius, re-unite both halves of the Empire under his control

Role range: 0379-0395

Death of Theodosius I

Death of Theodosius I, in Mediolanum (Milan)

Role range: 0379-0395