Bulgarian Communist Party
|Last leader||Alexander Lilov|
|Succeeded by||Bulgarian Socialist Party|
On 11 December 1989, leader Petar Mladenov announced that the party was giving up its guaranteed right to rule. In 1990, the party became much more moderate and was no longer a communist party. In April 1990, the party changed its name to the Bulgarian Socialist Party (BSP).
- „Деветосептемврийски преврат“, Encyclopedia Bulgaria, Professor Vasil Gyuzelev, Bulgarian Academy of Sciences, "Trud" Publishing House, 2012, с. 1701 ISBN 978-954-8104-27-2 (item 5) ISBN 978-954-398-140-3 (item 5)
- Binder, David (7 August 1998). "Todor Zhivkov Dies at 86; Ruled Bulgaria for 35 Years". New York Times. Retrieved 16 September 2016.