When did christianity become the roman empire official religion?
singleAnswer
380 AD 380
State church of the Roman Empire
roman empire official religion
State church of the Roman Empire Religion in ancient Rome Constantine the Great and Christianity Religion in Rome Roman Empire State religion Holy Roman Empire Theodosius I Christian state Christianity in the 4th century
With the Edict of Thessalonica in 380 AD, <b>Emperor</b> Theodosius I made Nicene 
Christianity the <b>Empire&#39;s state religion</b>. The Eastern Orthodox Church, Oriental&nbsp;... Portrait of the <b>emperor</b> Antoninus Pius (reigned 138–161 AD) in ritual attire ... 
<b>Roman</b> religio (<b>religion</b>) was an everyday and vital affair, ... The <b>official</b> deities of 
the <b>state</b> were identified with its lawful offices&nbsp;... During the reign of the <b>Roman Emperor</b> Constantine the Great (AD 306–337), 
Christianity began to transition to the dominant <b>religion</b> of the <b>Roman Empire</b>. ... 
With the establishment of Christianity as the <b>state religion</b> of the <b>Roman Empire</b>,&nbsp;... Rome has, for more than two millennia, been an important worldwide centre for 
<b>religion</b>, ... Christianity was made the <b>official religion</b> of the <b>Roman Empire</b> in 380 
by Emperor Theodosius I, allowing it to spread further and eventually wholly&nbsp;... The <b>Roman Empire</b> was the post-Republican period of ancient Rome. ... The 
priesthoods of the <b>state religion</b> were filled from the same social pool of men who 
held public office, and in the Imperial era, the Pontifex&nbsp;... A <b>state religion</b> is a religious body or creed officially endorsed by the <b>state</b>. A 
<b>state</b> with an <b>official religion</b>, while&nbsp;... The Holy <b>Roman Empire</b> also known as Holy <b>Roman Empire</b> of the German ... 
Roman Catholicism constituted the single <b>official religion</b> of the Empire until 1555
. The Holy <b>Roman Emperor</b> was always a Roman&nbsp;... Theodosius I also known as Theodosius the Great, was a <b>Roman Emperor</b> from 
379 to 395, ... He issued decrees that effectively made Nicene Christianity the 
<b>official state</b> church of the <b>Roman Empire</b>. ... The Christian persecution of Roman 
<b>religion</b> under Theodosius I began in 381, after the first couple of years of his 
reign&nbsp;... A Christian <b>state</b> is a country that recognizes a form of Christianity as its <b>official</b> 
<b>religion</b> and ... After the fall of the Western <b>Roman Empire</b> in the late 5th century, 
the &quot;Byzantine Empire&quot; under the emperor Justinian (reigned 527-565), became
&nbsp;... Christianity in the 4th century was dominated in its early stage by Constantine the 
Great and the ... It had not become the sole authorized <b>state religion</b>, although it 
gradually gained prominence and stature within <b>Roman</b> society. ... <b>Emperor</b> 
Julian favored a return the traditional <b>Roman</b>/Greek <b>religion</b>, but this trend was 
quickly&nbsp;...
in 380 AD
State church of the Roman Empire