The Council of Philippopolis in 343, 344, or 347 was a result of

Arian Arianism ( grc-x-koine, Ἀρειανισμός, ) is a Christological doctrine first attributed to Arius (), a Christian presbyter from Alexandria, Egypt. Arian theology holds that Jesus Christ is the Son of God, who was begotten by God ...

bishops from the

Eastern Roman Empire The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantino ...

leaving the Council of Sardica to form their own counter council. In Philippopolis, they anathemized the term ''

homoousios Homoousion ( ; grc, ὁμοούσιον, lit=same in being, same in essence, from , , "same" and , , "being" or "essence") is a Christian theological term, most notably used in the Nicene Creed for describing Jesus ( God the Son) as "same in ...

'', in effect excommunicating Pope Julius I as well as their rivals at the Council in Sardica, and introduced the term Anomoian and as a result, the Arian controversy was perpetuated, rather than resolved, as was the original intention of the Roman emperors

Constans Flavius Julius Constans ( 323 – 350), sometimes called Constans I, was Roman emperor from 337 to 350. He held the imperial rank of '' caesar'' from 333, and was the youngest son of Constantine the Great. After his father's death, he was mad ...

and ConstantiusSocrates Scholasticus, ''Church History'', book 2, chapter 20. along with Pope Julius who called the Council of Sardica. Serdica is now called

Sofia Sofia ( ; bg, София, Sofiya, ) is the capital and largest city of Bulgaria. It is situated in the Sofia Valley at the foot of the Vitosha mountain in the western parts of the country. The city is built west of the Iskar river, and h ...

, the capital of

Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedo ...

. Philippopolis is now called

Plovdiv Plovdiv ( bg, Пловдив, ), is the second-largest city in Bulgaria, standing on the banks of the Maritsa river in the historical region of Thrace. It has a population of 346,893 and 675,000 in the greater metropolitan area. Plovdiv is the ...

, Bulgaria's second largest city.

References

Bibliography

Sacred Texts, Early Church Fathers - Chapter XX Of the Council at Sardica
Philippopolis Arianism History of Plovdiv 344 340s in the Roman Empire {{Christianity-stub