This is a timeline showing the dates when countries or polities made Christianity the official state religion, generally accompanying the baptism of the governing monarch.
Christianity | Orthodox Christianity | Passion (Christianity) | Minister (Christianity) | Official Secrets Act 1989 | Dean (Christianity) | Chair (official) | Official Secrets Act 1911 | Atonement in Christianity | Christianity Today | Christianity in Lebanon | Early Christianity | Western Christianity | Official Handbook of Stations | Liberal Christianity | The Official Razzie Movie Guide | Orthodox Christianity in Lebanon | Eastern Christianity | Celtic Christianity | Timeline of the introduction of television in countries | Official Secrets Act 1920 | Official Secrets Act | Official Monster Raving Loony Party | official (ice hockey) | Christianity in India | Bordeaux Wine Official Classification of 1855 | Official World Golf Ranking | God in Christianity | early Christianity | Christianity in China |