[citation needed] In that time, the city of Pančevo was transferred from Eparchy of Vršac to the Archeparchy of Belgrade and Karlovci.

Ancient Bishopric of Singidunum was an important ecclesiastical center of the late Roman Empire during 4th and 5th century.

Its bishops Ursacius and Secundianus were actively involved in religious controversies over Arianism.

As a result of the Austro-Turkish War (1716–1718), Lower Srem and Belgrade came under Habsburg rule.

Two seats (Belgrade and Karlovci) were reunited from 1726 to 1739, and then separated again, following the outcome of the Austro-Turkish War (1737–1739).

[9] In that time, territory of the archeparchy was very large and included regions of present-day eparchies of Šumadija and Braničevo.