United States. Central Intelligence Agency, CIA World Fact Book, 2004 — Bilgaria (2004)
“ Northern Bulgaria attained autonomy in 1878 and all of Bulgaria became independent in 1908. Having fought on the losing side in both World Wars, Bulgaria fell within the Soviet sphere of influence and became a People's Republic in 1946. Communist domination ended in 1990, when Bulgaria held its first multiparty election since World War II and began the contentious process of moving toward political democracy and a market economy while combating inflation, unemployment, corruption, and crime. ”
