BISHOPS OF BITHYNIA AND THEIR SEES according to the proceedings of the First Ecumenical Council of Nicaea: Eusebios of Nikomedeia, Theognis of Nicaea, Maris of Chalcedon, Kyrion of Kios, Hesychios of Prousa, Gorgonios of Apollonias (Bithynia), George of Plousias, Euethios of Adrianopolis, Theophanes (country bishop), Rufus of Caesareia, Eulalius (country bishop)
THE CITIES OF BITHYNIA according to Synecdemos of Hierocles: Chalcedon, Helenopolis, Prainetos, Nikomedeia, Nicaea, Basilinopolis, Kios, Apameia, Prousa, Caesarea, Apollonia, Daskylion, Neokaisareia, Adrianoi, regeon Tataeon, regeon Doris.
THE ECCLESIASTICAL SEES IN BITHYNIA according to the ecclesiastical taktiko no. 1 of Constantinople: Nikomedeia, Nicaea, Chalcedon, Prousa/Theoupolis, Basilinopolis, Prainetos, Apollonias, Daskylion, Gallos, Neokaisareia, Kadosia/Lophoi Modrine, Linoe, Godroserbes
EARTHQUAKES IN EARLY BYZANTINE BITHYNIA according to the catalogue of An. Sinakos
358 Nikomedeia of Bithynia
359 Nikomedeia of Bithynia
362 Nikomedeia of Bithynia
365 Byzantine Empire (= everywhere)
368 Nicaea of Bithynia
368 Nicaea of Bithynia and Germes of Hellespont
396 Constantinople and surrounding areas
417 Constantinople and surrounding areas
448 Nikomedeia of Bithynia
467/8 Nikomedeia of Bithynia
472 Asia Minor (throughout Asia Minor)
543 Kyzikos of Hellespont
583 Constantinople and surrounding areas