4th century in architecture

Events

313 – Emperor Constantine issues the Edict of Milan, legislating toleration of Christian worship in the Roman Empire. The 4th century sees the construction of many churches, especially in Rome, and in the eastern empire.

Buildings and structures

Buildings

Early – Church of St. George, Sofia is probably completed.
303 – Arch of Galerius in Thessaloniki is dedicated.
306 – Rotunda of Galerius in Thessaloniki is built.
c.310 – Aula Palatina at Trier is built.
312–315 – Arch of Constantine in Rome is built.
c.326–380 – Church of the Holy Sepulchre in Jerusalem.
368 – Valens Aqueduct in Constantinople is completed.
From 382 – San Nazaro in Brolo in Milan is begun by Ambrose.
386 – Basilica of Sant'Ambrogio in Milan, built by Ambrose, is consecrated.
c.390s – Kasagh Basilica in Armenia is built.
393 – The Forum of Theodosius in Constantinople, reconstructed over the Forum Tauri, is inaugurated.
Dadhimati Mata Temple in Rajasthan is built.

Churches in Rome