[[File:Constantine Chiaramonti Inv1749.jpg|thumb|Bust of Emperor [[Constantine the Great|Constantine I]], Roman, 4th century]]
The '''Edict of Milan''' was very very good. I love the bust of the to bust milan. ({{lang-la|Edictum Mediolanense}}; {{lang-el|Διάταγμα τῶν Μεδιολάνων}}, ''Diatagma tōn Mediolanōn'') was the February, AD 313 agreement to treat Christians benevolently within the Roman Empire.<ref name=Frend>[[W. H. C. Frend|Frend, W. H. C.]] (1965). ''The Early Church''. [[SPCK]], p. 137.</ref> Western Roman Emperor [[Constantine the Great|Constantine I]] and Emperor [[Licinius]], who controlled the [[Balkans]], met in [[Mediolanum]] (modern-day [[Milan]]) and, among other things, agreed to change policies towards Christians<ref name=Frend/> following [[Edict of Serdica|the edict of toleration]] issued by Emperor [[Galerius]] two years earlier in [[Serdica]]. The Edict of Milan gave Christianity legal status and a reprieve from persecution but did not make it the [[state church of the Roman Empire]],<ref name="Constantine Cambridge"> ''The Cambridge History of Christianity''. Cambridge University Press. [https://www.cambridge.org/core/books/abs/cambridge-history-of-christianity/constantine-and-the-peace-of-the-church/1D6492CD5ECB96174AAE1221F48DC56F Quote]: "Christianity did not become the official religion of the empire under Constantine, as is often mistakenly claimed..."</ref> which occurred in AD 380 with the [[Edict of Thessalonica]],<ref name=ConstaBrit>Encyclopedia Britannica. [https://www.britannica.com/topic/Christianity/The-alliance-between-church-and-empire "Christianity: The Alliance Between Church and Empire"]. Quote: "...Emperor Theodosius I (reigned 379–395), who made Catholic Christianity the official religion of the empire..." </ref> when [[Nicene Christianity]] received normative status.<ref>''World Encyclopaedia of Interfaith Studies: World religions''. Jnanada Prakashan. 2009. {{ISBN|978-81-7139-280-3}}. <q>In the most common sense, "mainstream" refers to Nicene Christianity, or rather the traditions which continue to claim adherence to the Nicene Creed.</q></ref><ref name=Ehler65>
{{cite book |last1= Ehler |first1= Sidney Zdeneck |last2= Morrall |first2= John B. |title= Church and State Through the Centuries: A Collection of Historic Documents with Commentaries |year= 1967 |page= 6-7 |quote= This Edict is the first which definitely introduces Catholic orthodoxy as the established religion of the Roman world. [...] Acknowledgment of the true doctrine of the Trinity is made the test of State recognition. |isbn= 9780819601896 |url=https://books.google.com/books?id=2WuMyEzani8C&pg=PA6 |access-date= 2016-09-28 |url-status= live |archive-url=https://web.archive.org/web/20160515193906/https://books.google.com/books?id=2WuMyEzani8C&pg=PA6 |archive-date= 2016-05-15}}</ref>