The Treaty of Bucharest was signed by Serbia

Kingdom of Serbia

The Kingdom of Serbia was created when Prince Milan Obrenović, ruler of the Principality of Serbia, was crowned King in 1882. The Principality of Serbia was ruled by the Karađorđevic dynasty from 1817 onwards . The Principality, suzerain to the Porte, had expelled all Ottoman troops by 1867, de...

 and Bulgaria

Principality of Bulgaria

The Principality of Bulgaria was a self-governing entity created as a vassal of the Ottoman Empire by the Treaty of Berlin in 1878. The preliminary treaty of San Stefano between the Russian Empire and the Porte , on March 3, had originally proposed a significantly larger Bulgarian territory: its...

 on March 3, 1886, in Bucharest

Bucharest

Bucharest is the capital municipality, cultural, industrial, and financial centre of Romania. It is the largest city in Romania, located in the southeast of the country, at , and lies on the banks of the Dâmbovița River....

 (capital of Romania

Kingdom of Romania

The Kingdom of Romania was the Romanian state based on a form of parliamentary monarchy between 13 March 1881 and 30 December 1947, specified by the first three Constitutions of Romania...

), marking the end of the Serbo-Bulgarian War

Serbo-Bulgarian War

The Serbo-Bulgarian War was a war between Serbia and Bulgaria that erupted on 14 November 1885 and lasted until 28 November the same year. Final peace was signed on 19 February 1886 in Bucharest...

. The treaty contained a single article, stating that peace between the two countries was restored. The treaty paved the way for the political imperative whereby only the Bulgarian prince could be a governor of Eastern Rumelia

Eastern Rumelia

Eastern Rumelia or Eastern Roumelia was an administratively autonomous province in the Ottoman Empire and Principality of Bulgaria from 1878 to 1908. It was under full Bulgarian control from 1885 on, when it willingly united with the tributary Principality of Bulgaria after a bloodless revolution...

.