THE BASIC PRINCIPLES OF ALVARO SOLER SOFIA ACOUSTIC

In the course of the Preliminary stages on the Crusade of Varna in 1443, it had been occupied by Hungarian forces for a brief time in 1443, plus the Bulgarian populace celebrated a mass Saint Sofia Church. Subsequent the defeat from the crusader forces in 1444, the town's Christians confronted persecution. In 1530 Sofia became the capital in the Ot