4th century
Roman Empire's twilight
The 4th century is the period from 301 to 400 CE (or AD).
In Western history, it marks the transformation of the Roman Empire under Constantine, the legalization of Christianity, and the eventual split into Eastern and Western empires.
Century numbering runs one ahead of the year numbers: the 300s are the 4th century.
- Edict of MilanAncient tolerance proclamation
- imperial decreeSovereign's formal command
- FranksMedieval Germanic tribe
- Sassanian EmpireFinal ancient Persian dynasty
- Desert FathersFounding Christian monastics
holy men · early Christianity · Christian conversion · monasticism · monastic life · Arian controversy · Christology · Council of Nicaea · asceticism · Theodosius I · Vandals · Huns · excommunication · Latin literature · Roman engineering · Roman roads · spiritual discipline · feast day
4th century21st century
Years 2001 to 2100
20th century · modern era · distant future · 19th century · prehistory
4th centuryclassical antiquity
Greco-Roman historical period
Age of Enlightenment · Renaissance · modern age · Industrial Revolution