313–325 · Europe · Faith
Imperial toleration under Constantine was followed by the Council of Nicaea’s attempt to settle disputes over Christ’s nature.
Atlas dossier · Late AntiquityFree device narration · synchronized English captions · transcript available
Why it matters
Imperial toleration under Constantine was followed by the Council of Nicaea’s attempt to settle disputes over Christ’s nature.
Constantine · Licinius · Athanasius · Arius · bishops of Nicaea
Christianity moved from persecuted communities toward imperial patronage—with enduring institutional consequences.
Interpretation note
This dossier distinguishes the event’s basic chronology from later arguments about meaning, responsibility and legacy. When comparing religious, national, Indigenous or scholarly interpretations, consult the primary and institutional sources above alongside peer-reviewed historical work.
Elsewhere in the world
100–940 · AfricaKingdom of AksumAksum linked the African interior, Red Sea and Indian Ocean, minted coinage and adopted Christianity in the fourth century.
70 · Middle EastDestruction of JerusalemRoman forces under Titus destroyed Jerusalem and the Second Temple after the Jewish revolt.
30–67 · Middle EastApostolic Church and Paul’s journeysPentecost, missionary travel and house churches carried the Christian message from Jerusalem through Asia Minor, Greece and Rome.