What year was the end of XXX?
People's Republic of Bulgaria
The People's Republic of Bulgaria (PRB; Bulgarian: Народна република България (НРБ) Narodna republika Balgariya (NRB)) was the official name of the Bulgarian socialist republic that existed from 1946 to 1990, when the Bulgarian Communist Party (BCP) ruled together with its coalition partner, the National Agrarian Party.
1990