bulgaria 198After the Russo-Turkish War of 1877–1878, the 1878 Treaty of Berlin set up an autonomous state, the Principality of Bulgaria, within the Ottoman Empire. Although remaining under OttomanAs most other countries in the Warsaw Pact Bulgaria recieved the M-23MF Flogger interceptor. In October of 1978 the 18 IAP based at Dobroslavtsi near Sofia, received the first of twelve