The best-known piece of legislation in the history of mankind is a tolerance of religion edict, known as the Edict of Milan, which was signed in the spring of 313. by the Roman emperors, Constantine the Great (272-337) and Licinius. This edict made the Christian religion equal with other religions in the area of the Empire and conditions were acquired so few decades later (395) Christianity became state religion. For their accomplishments, the Emperor Constantine and his mother, Empress Jelena, were canonized as saints and celebrated on 3rd June. The final result of the Edict of Milan is that nowadays one-third of humanity professes faith in Christianity.
The Programme of the Government of the Republic of Serbia for the denoting of 1700th anniversary of the Edict of Milan throughout 2013. envisages a series of cultural-artistic events that are dedicated to this aniversary in Niš, Viminacium and Belgrade.
Niš, the hometown of Constantine the Great, in 1913. has also marked the anniversary of the Edict of Milan. Throughout the 2013, the city of Niš represents the spiritual capital of Serbia, in which is held a series of cultural-artistic events that are dedicated to the Edict of Milan jubilee.
In the glory of the Edict of Milan, the Serbian Orthodox Church organizes ecumenical gatherings, religious lectures, as well as a joint liturgy of the Orthodox churches.
