The first record of Jews in Sofia, Bulgaria, is from 811 A.D. Before that time the center of Jewish life, which has a continues existence in Bulgaria since the early days of the Roman Empire, was in the city of Viddin. Jews came to Sofia with the return of Krum, the victorious king, who brought to Sofia some 30,000 prisoners, among whom there were also many Jews from Asia Minor. To these Jews were added also Jews who ran away from the persecution in Hungary, and Austria. ...