The Brest-Litovsk Peace Treaty of March 3, 1918, between the Quadruple Alliance of Germany, Austria-Hungary, Bulgaria and the Ottoman Empire on the one hand, and Bolshevik Russia on the other ...

The first Christmas tree in Bulgaria was decorated by Stefan Stambolov (1854-1894), a Bulgarian freedom fighter andrebel leader against the Ottoman Empire, and one of the most important politicians ...

The czar ruled as emperor of the Second Bulgarian Empire from 1331 to 1371. After its foundation in 1885, the empire became the dominant power in the Balkans region until around the mid-13th century.