Vatican City
The Roman Empire(present-day Italy) was the first to establish Christianity as an official religion.
armenia
Theodosius I was the emperor who made Christianity the official religion of the Roman empire.Theodosius I was the emperor who made Christianity the official religion of the Roman empire.Theodosius I was the emperor who made Christianity the official religion of the Roman empire.Theodosius I was the emperor who made Christianity the official religion of the Roman empire.Theodosius I was the emperor who made Christianity the official religion of the Roman empire.Theodosius I was the emperor who made Christianity the official religion of the Roman empire.Theodosius I was the emperor who made Christianity the official religion of the Roman empire.Theodosius I was the emperor who made Christianity the official religion of the Roman empire.Theodosius I was the emperor who made Christianity the official religion of the Roman empire.
It had no official religion except for trinitarian Christianity.
The emperor who made Christianity Rome's official religion was Theodosius I.
AnswerEmperor Constantine made Christianity an official religion of the empire about 312 CE. It became the official religion of the Roman Empire in the 380s CE.
Probably the Palestine region although it was not the official religion at the time.
It's not the official religion. If you were raised in another country with a different religion, that religion would be considered the official one. It's all society based to help maintain control and order. It's a dying trend.
Christianity
German is the official language of Germany. The official religion is Christianity.
Lutheran Christianity was the official religion, as it is now.
After the Edict of Milan in 313 AD, Christianity became an official religion along with all the others. Note that in 313 it was an official religion, it was not the official religion until 380 AD.