391 AD by Theodosius I.
The English colonies celebrated Christmas in the 1400's. After Rome adopted Christianity as the official religion, Christmas became the most important celebration in Europe.
It was in the late 300's, after Christianity became the official religion of the Roman Empire.
Ancient Rome's official language was Latin. Today, Rome is a city in italy, which has Italian as its official language.
According to research, there is no official flower for Rome.
Rome doesn't technically have an official language.
Rome's official religion was Christianity after 380 AD. Before this time there was no "official" religion as Rome was tolerant of all beliefs.
"Christmas in Rome" in English is Natale a Roma in Italian.
The first state to recognize Christmas as a legal holiday was Alabama in 1836.
In London
on Feburary 27th, 380 they made Nicene Christianity the official Christian religion of Rome, however it is unclear whether this was intended to apply to pagans.
Italian. Rome is located in Italy.