The Bulgarian Left was created by the Bulgarian Socialist party, formerly the Bulgarian Communist Party.
It was created in February 2009 predominantly by members of the Bulgarian Socialist Party, with its constituent congress taking place on April 4, 2009. The Bulgarian Socialist Party (Bulgarian:   , ; Bulgarska sotsialisticheska partiya, BSP), known as the Centenarian (, Stoletnitsata), is a social-democratic political party in Bulgaria and the successor to the Bulgarian Communist Party. 
Bulgarian Communist Party The Bulgarian Left (Bulgarian:  , Balgarskata levitsa, BL) is a socialist political party in Bulgaria. 
