Tsardom of Bulgaria

History

Khan Kubrat's Bundle of Arrows and the Modern Tsardom

Bulgarian founding tradition recalls the 7th-century ruler Khan Kubrat, who summoned his five sons around a bundle of arrows to show that while single arrows snap easily, those bound together cannot be broken; his son Asparuh subsequently crossed the Danube to found the First Bulgarian Empire. After nearly five centuries of Ottoman rule, autonomous Bulgaria proclaimed full independence in 1908 as the Tsardom (Kingdom) of Bulgaria.

Irredentism After the Balkan Wars and World War I

Defeats in the Second Balkan War (1913) and World War I (1918) stripped Bulgaria of Southern Dobruja, Western Thrace, and claims in Macedonia under the Treaty of Neuilly-sur-Seine, leaving territorial recovery at the center of interwar Bulgarian diplomacy.

World War II: Axis Alignment With Limits

Under Tsar Boris III, Bulgaria recovered Southern Dobruja in 1940 and joined the Axis in March 1941, administering parts of Yugoslavia and Greece. Yet Boris III steadfastly refused German demands to declare war on the Soviet Union - The world's first socialist federal state (1922–1991), which bore the brunt of the land war against Nazi Germany and emerged as a Cold War superpower. or send troops to the Eastern Front, and protests by parliamentarians, the Orthodox Church, and citizens prevented the deportation of Bulgaria's 48,000 native Jews during the Holocaust. In September 1944, following a coup in Sofia, Bulgaria switched sides to fight alongside the Red Army against Germany.