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History of Bosnia and Herzegovina
From antiquity to the modern era — the historical eras, key events, and narrative that shaped Bosnia and Herzegovina.
Overview
For the first centuries of the Christian era, Bosnia was part of the Roman Empire. After the fall of Rome, Bosnia was contested by Byzantium and Rome’s successors in the west. Slavs settled the region in the 7th century, and the kingdoms of Serbia and Croatia split control of Bosnia in the 9th century. The 11th and 12th centuries saw the rule of the region by the kingdom of Hungary. The medieval kingdom of Bosnia gained its independence around 1200 A.D. Bosnia remained independent until 1463, when Ottoman Turks conquered the region.
During Ottoman rule, many Bosnians converted from Christianity in favor of Islam. Bosnia was under Ottoman rule until 1878, when it was given to Austria-Hungary as a colony. While those living in Bosnia came under rule by the Austrian-Hungarian Empire, South Slavs in Serbia and elsewhere were calling for a South Slav state. World War I began when Serb nationalist Gavrilo Princip assassinated the Archduke Ferdinand in Sarajevo. Following the Great War, Bosnia became part of the South Slav state of Yugoslavia, only to be given to Nazi-puppet Croatia in World War II. During this period, many atrocities were committed against Jews, Serbs, and others who resisted the occupation. The Cold War saw the establishment of the Communist Federal Republic of Yugoslavia under Josip Broz Tito, and the reestablishment of Bosnia as a republic with its medieval borders within the federation of Yugoslavia.
Yugoslavia’s unraveling was hastened by the rise of Slobodan Milosevic to power in 1986. Milosevic’s embrace of Serb nationalism led to intrastate ethnic strife. Slovenia and Croatia both declared independence from Yugoslavia in 1991. In February 1992, the Bosnian Government held a referendum on independence. Bosnia’s parliament declared the republic’s independence on April 5, 1992. However, this move was opposed by Serb representatives who favored remaining in Yugoslavia. Bosnian Serbs, supported by neighboring Serbia, responded with armed resistance in an effort to partition the republic along ethnic lines to create a "greater Serbia." Full recognition of its independence by the United States and most European countries occurred on April 7, and Bosnia-Herzegovina was admitted to the United Nations on May 22, 1992.
In March 1994, Muslims and Croats in Bosnia signed an agreement creating the Federation of Bosnia and Herzegovina. This narrowed the field of warring parties down to two. The conflict continued through most of 1995, ending with the Dayton Peace Agreement being signed on November 21, 1995 (the final version was signed December 14, 1995 in Paris). Bosnia and Herzegovina today consists of two entities -- the Muslim/Croat Federation of Bosnia and Herzegovina, which is largely Bosniak and Croat, and the Republika Srpska, which is primarily Serb.
Historical Eras
The major periods of {country}’s history at a glance.
Medieval Bosnia
600 – 1463
Slavs settled the Bosnian region in the 7th century, with Serbia and Croatia later dividing influence before Hungary exercised control in the 11th and 12th centuries. Around 1200, the medieval Kingdom of Bosnia emerged as an independent polity, developing its own distinct Bosnian Church alongside Catholic and Orthodox communities. The kingdom endured for over two centuries until Ottoman Turkish forces conquered Bosnia in 1463.
Ottoman Rule
1463 – 1878
Under four centuries of Ottoman governance, Bosnia was administered as an imperial province and experienced profound demographic and cultural transformation. Large numbers of Bosnians converted from Christianity to Islam, laying the foundation for the Bosniak Muslim identity that persists today. Ottoman rule left an enduring architectural, religious, and cultural imprint visible across Sarajevo and other cities.
Austro-Hungarian Era
1878 – 1918
The Congress of Berlin transferred Bosnia and Herzegovina to Austro-Hungarian administration in 1878, and Austria formally annexed the territory in 1908, inflaming South Slav nationalist sentiment. On June 28, 1914, Bosnian Serb student Gavrilo Princip assassinated Archduke Franz Ferdinand in Sarajevo, igniting the chain of events that led to World War I. The collapse of Austria-Hungary in 1918 ended this era and folded Bosnia into the newly formed Kingdom of Serbs, Croats, and Slovenes.
Yugoslav Period
1918 – 1992
Bosnia became part of the interwar Yugoslav kingdom and, during World War II, was subjected to brutal occupation under the Nazi-allied Croatian Ustaše regime, which perpetrated mass atrocities against Serbs, Jews, and Roma. The postwar Communist Federal Republic of Yugoslavia under Josip Broz Tito reconstituted Bosnia and Herzegovina as a constituent republic with its medieval boundaries. Yugoslavia's fragmentation accelerated after 1986 under Slobodan Milošević's Serb nationalism, ultimately pushing Bosnia toward independence.
Independence & War
1992 – 1995
Bosnia declared independence on April 5, 1992, following a referendum boycotted by ethnic Serbs, and received international recognition days later. Bosnian Serb forces, backed by Serbia, launched an armed campaign to partition the country along ethnic lines, initiating a brutal three-year war marked by the siege of Sarajevo and the Srebrenica genocide. The conflict ended with the Dayton Peace Agreement, initialed on November 21, 1995, which established the current two-entity governmental structure.
Post-Dayton Era
1995 – present
The Dayton Agreement created a complex governing framework dividing Bosnia and Herzegovina into the Bosniak-Croat Federation and the Republika Srpska, overseen by international institutions including the Office of the High Representative. The country has pursued EU and NATO integration while grappling with entrenched ethnic divisions, economic underdevelopment, and institutional dysfunction rooted in the Dayton structure itself. Reconciliation and state-building remain ongoing challenges as Bosnia seeks a stable place within the Euro-Atlantic community.
Timeline Preview
The first 7 key events. View the full chronology on the timeline page.
601 – 700
Slavs settled the Bosnian region in the 7th century.
Slavs settled the Bosnian region in the 7th century.
801 – 900
The nations of Serbia and Croatia split control of Bosnia.
The nations of Serbia and Croatia split control of Bosnia.
1001 – 1200
In the 11th & 12th century the nation of Hungary controlled Bosnia.
In the 11th & 12th century the nation of Hungary controlled Bosnia.
1463
The Ottomans conquered Bosnia.
The Ottomans conquered Bosnia.
1878 – 1918
Bosnia came under the rule of the Austrian-Hungarian Empire.
Bosnia came under the rule of the Austrian-Hungarian Empire. A representative from Vienna governed the area.
1908
Austria annexed Bosnia and Herzegovina.
Austria annexed Bosnia and Herzegovina.
1914
A Bosnian Serb student assassinates the Austrian archduke Franz Ferdinand in Sarajevo.
A Bosnian Serb student, Gavrilo Princip, assassinates the Austrian archduke Franz Ferdinand in Sarajevo. This precipitates World War I.