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History of Bulgaria
From antiquity to the modern era — the historical eras, key events, and narrative that shaped Bulgaria.
Overview
Tsarevets Hill in Veliko Turnovo, capital of the Second Bulgarian Empire THE HISTORY OF THE LAND now known as Bulgaria has been determined by its location between Asia and Europe, by its proximity to powerful states competing for land and influence at the junction of trade routes and strategic military positions, and by the strong national territorial drive of various Bulgarian states.
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Historical Eras
The major periods of {country}’s history at a glance.
Antiquity & Early Peoples
1000 BCE – 681
Thracian tribes inhabited the region for millennia before Greek colonization and later Roman conquest integrated the area into classical Mediterranean civilization. The Romans organized the territory into the provinces of Moesia and Thrace, leaving enduring urban and infrastructural legacies. In the 6th and 7th centuries, Slavic peoples migrated into the Balkans, laying the demographic foundation upon which the Bulgarian state would be built.
First Bulgarian Empire
681 – 1018
Khan Asparuh led the Bulgar tribes across the Danube and compelled the Byzantine Empire to recognize the First Bulgarian Empire in 681. Tsar Boris I's adoption of Eastern Orthodox Christianity in 870 and the creation of the Cyrillic alphabet under Saints Cyril and Methodius defined Bulgarian cultural identity. Tsar Simeon I expanded the empire to its greatest extent in the early 10th century, but Byzantine pressure ultimately led to full conquest by Emperor Basil II in 1018.
Second Bulgarian Empire
1185 – 1396
The brothers Asen and Peter led a successful uprising against Byzantine rule in 1185, establishing the Second Bulgarian Empire with Veliko Tarnovo as its capital. Under Ivan Asen II (1218–1241) the empire reached its territorial zenith, controlling much of the Balkan Peninsula and becoming a major regional power. Internal fragmentation and mounting pressure from the Mongols and Ottomans eroded Bulgarian strength, and Sofia fell to the Ottoman Turks in 1385, with the empire extinguished by 1396.
Ottoman Rule
1396 – 1878
For nearly five centuries, Bulgaria existed under Ottoman administration, with Bulgarian political institutions suppressed and the Orthodox Church subjected to the Greek Patriarchate. By the 18th century a Bulgarian National Revival (Vuzrazhdane) took root, driven by figures such as Paisii Hilendarski, whose 1762 Slavo-Bulgarian History rekindled national consciousness. The April Uprising of 1876 was brutally crushed, provoking international outrage and ultimately Russia's intervention in the Russo-Turkish War of 1877–78, which ended Ottoman rule.
Third Bulgarian State
1878 – 1946
The Treaty of Berlin (1878) established an autonomous Bulgarian principality, and full independence was declared under Tsar Ferdinand in 1908. Bulgaria fought in the Balkan Wars (1912–13) and both World Wars in pursuit of territorial ambitions rooted in the unresolved grievances of the Berlin settlement, each time ending on the losing side. Political instability, agrarian unrest, authoritarian rule under Tsar Boris III, and wartime alliance with Nazi Germany set the stage for the communist takeover of 1944–46.
Communist & Modern Era
1946 – present
The People's Republic of Bulgaria, dominated by Todor Zhivkov from 1954 to 1989, aligned closely with the Soviet Union and undertook forced collectivization, industrialization, and the suppression of political dissent. The fall of communism in November 1989 opened a turbulent transition to multiparty democracy and a market economy, complicated by inflation, corruption, and organized crime. Bulgaria joined NATO in 2004 and the European Union in 2007, anchoring its post-communist orientation firmly within Western institutions.
Timeline Preview
The first 7 key events. View the full chronology on the timeline page.
630
First federation of Bulgar tribes formed.
First federation of Bulgar tribes formed.
681
Byzantine Empire recognizes first Bulgarian state.
Byzantine Empire recognizes first Bulgarian state.
811
First Bulgarian Empire defeats Byzantine Empire, begins expanding.
First Bulgarian Empire defeats Byzantine Empire, begins expanding.
870
Tsar Boris I accepts Christianity (Eastern Rite Orthodox) for Bulgaria.
Tsar Boris I accepts Christianity (Eastern Rite Orthodox) for Bulgaria.
924
Simeon defeated by Byzantines; first empire begins decline.
Simeon defeated by Byzantines; first empire begins decline.
1018 – 1185
Bulgaria is part of Byzantine empire.
Bulgaria is part of Byzantine empire.
1202
Tsar Kaloian makes peace with Byzantine Empire
Tsar Kaloian makes peace with Byzantine Empire, achieves full independence, and begins Second Bulgarian Empire.