![Representation of Pope Sylvester I (or Silvester) (270-335) (Pope Sylvester I). 19th century (engraving) Representation of Pope Sylvester I (or Silvester) (270-335) (Pope Sylvester I). 19th century (engraving)](https://images-cdn.bridgemanimages.com/api/1.0/image/600wm.ELD.78181940.7055475/4915008.jpg)
Representation of Pope Sylvester I (or Silvester) (270-335) (Pope Sylvester I). 19th century (engraving)
![Vatican News on Twitter: "Pope St. Sylvester I was pope for 22 years, during the period in which the Roman Emperor, Constantine built the first Roman basilicas, and the Council of Nicea Vatican News on Twitter: "Pope St. Sylvester I was pope for 22 years, during the period in which the Roman Emperor, Constantine built the first Roman basilicas, and the Council of Nicea](https://pbs.twimg.com/media/FklwCj5XgAAh5IR.jpg)
Vatican News on Twitter: "Pope St. Sylvester I was pope for 22 years, during the period in which the Roman Emperor, Constantine built the first Roman basilicas, and the Council of Nicea
![Bishop Robert Barron on Twitter: "St. Sylvester I, pope during the Council of Nicea, pray for us! https://t.co/acNp7eKTcc" / Twitter Bishop Robert Barron on Twitter: "St. Sylvester I, pope during the Council of Nicea, pray for us! https://t.co/acNp7eKTcc" / Twitter](https://pbs.twimg.com/media/ENHmazdWkAENLcH.jpg:large)