Following years of political oppression and economic mismanagement under the Communist regime, the disestablishment of the People's Republic of Bulgaria was formalized in November 1990. Growing dissatisfaction among the populace, fueled by economic turmoil and a desire for freedom, prompted mass protests. These demonstrations called for democratic reforms and the end of communist rule, reflecting a broader movement across Eastern Europe. Key figures in the opposition, including Zhan Videnov from the Bulgarian Socialist Party and the newly formed Union of Democratic Forces, played crucial roles in the peaceful transition process.

The formal disestablishment involved dismantling the structures that upheld communist rule and the introduction of a multi-party system. On this day, a declaration was made announcing the Republic of Bulgaria, which established a parliamentary democracy. The atmosphere in the country was one of anticipation for change, as citizens looked towards a future with greater political freedoms and economic opportunities. With newly elected representatives, Bulgaria sought to align itself closer with Western Europe and sought membership in international organizations.

The transition also paved the way for significant reforms, including free elections and a new constitution aimed at protecting individual rights. This change was not without challenges, as the nation faced the task of restructuring its economy and dealing with the legacies of its communist past. Nevertheless, the disestablishment marked a crucial turning point towards a future built on democratic principles, setting the stage for Bulgaria's eventual integration into European structures.