On July 26. 1914 ; Serbia and Bulgaria interrupt diplomatic relationship. source
On July 26. 1914 ; Serbia and Bulgaria interrupt diplomatic relationship.
On September 8.1946 ; A 95.6% vote in favor of abolishing the monarchy in Bulgaria. source
On September 8.1946 ; A 95.6% vote in favor of abolishing the monarchy in Bulgaria.
On October 3.1918 ; King Boris III of Bulgaria accedes to the throne. source
On October 3.1918 ; King Boris III of Bulgaria accedes to the throne.
On November 15.1990 ; The Communist People's Republic of Bulgaria is disestablished and a new republican government is instituted. source
On November 15.1990 ; The Communist People's Republic of Bulgaria is disestablished and a new republican government is instituted.
On November 19.1885 ; Serbo-Bulgarian War: Bulgarian victory in the Battle of Slivnitsa solidifies the unification between the Principality of Bulgaria and Eastern Rumelia. source
On November 19.1885 ; Serbo-Bulgarian War: Bulgarian victory in the Battle of Slivnitsa solidifies the unification between the Principality of Bulgaria and Eastern Rumelia.