List of wars involving Bulgaria

• Khan Asparuh conquered Thrace
• The First Bulgarian Empire formed and expanded

• Emperor Justinian II turned against Tervel but was defeated by the Bulgarian army
• Justinian II was executed

• Caesar Tervel annihilated roughly 25,000 Umayyad soldiers, forcing a surrender and retreat.^[1]
• Tervel was canonized "Savior of Europe" by the Pope^[1]

• Khan Krum fully subjugated the remainder of the Avar Empire^[2]

• Emperor Krum defeated the massive Byzantine army, killing King Nicephorus I

• King Omurtag defeated the Frankish fleet at the Drava river

• Peace treaty concluded with King Boris I

• The Bulgarian army under Boris I obliterated the Magyar army, forcing them north^[3]

• The Bulgarian Empire expanded

(897–898)

Klonimir

• Rebellion supported by Tsar Simeon I was defeated,^[4] resulting in the death of Klonimir
• Serbian-Bulgarian alliance was created
• Petar Gojniković was recognized as a rightful ruler of Serbia^[5]

• The Bulgarian Empire nearly conquered Constantinople

• Emperor Simeon I and Bulgaria conquer Serbia

• Bulgaria forced the migrating Hungarians to settle within the Pannonian Plain^[6]

(933–934)^[7]

• Prince Česlav, with a small group of followers,^[8] took possession of the Serbian Principality and submitted to Byzantine emperor Romanos I Lekapenos^[9][10]

• Kievan Rus occupied areas of Northern Bulgaria
• The Rus were defeated in a three-way war with Byzantium

• The First Bulgarian Empire dissolved
• Kingdom of Duklja became last remaining region left unconquered

• The Bulgarian Empire conquered Duklja and installed Jovan Vladimir as their vassal^[11]

• The Bulgarian Empire resurfaced as a great power in Eastern Europe^{[citation needed]}

• The Bulgarian Empire under King Kaloyan pushed Serbia to the west

• The Latin Empire weakened, while the Bulgarian Empire enlarged

• Bulgaria conquered the Empire of Thessalonica
• Thessaly and Epirus became vassals of the Bulgarian Empire
• Bulgaria emerged as a preeminent power in Southeast Europe

• The Bulgarian army pushed back Batu Khan's forces

• Rebellion leader Ivaylo was murdered
• George Terter I became emperor of Bulgaria

• Bulgaria lost the Belgrade and Branicevo provinces.

• Tsar Theodore Svetoslav expelled the Mongols to the east

• The Bulgarian Empire conquered most of Thrace

• Kantakouzenos defeated regents and became emperor
• The Bulgarian Empire gained northern Thrace

• Bulgaria held off the Ottoman army until the Bulgarian betrayal of brothers^{[clarification needed]}

• The Bulgarian Empire fell

• Inconclusive result after Young Turk Revolution
• Bulgaria gained full independence in 1908

• Kingdom of Bulgaria
• Kingdom of Greece
• Kingdom of Serbia
• Kingdom of Montenegro

• The Ottoman Empire lost most remaining holdings in Europe
• Bulgaria obtained control over Macedonia, northern Greece, Albania and southern Serbia
• Treaty of London was signed

• Romanian and Ottoman intervention forced Bulgaria to ask for an armistice
• Treaty of Bucharest and Treaty of Constantinople resulted in Bulgarian territorial cessions

• Treaty of Neuilly-sur-Seine resulted in Bulgarian territorial cessions

• League of Nations brokered a ceasefire and Greek withdrawal
• Greece fined for violating Bulgarian territory
• Bulgaria paid damages for shooting Greek soldiers^[12]

• The Bulgarian monarchy was abolished and replaced with a communist government
• Southern Dobruja ceded to Bulgaria

 Czechoslovakia

 Albania

 Romania

• Czech reformist leaders were forced to sign Moscow Protocol, ending the Prague Spring

• United States
• Bulgaria^{[citation needed]}
• other allies

Ba'athist Iraq

• The Ba'ath Party government was defeated and Saddam Hussein executed
• Iraqi insurgency depleted^[13] and public security improved^[14]
• Democratic elections were established and a new Shia-led government was formed
• War between Iraq and the Islamic State broke out

• United States
• Bulgaria
  (one frigate as part of NATO contribution)^[15]
• other allies

• NTC assumed interim control of Libya
• Civil war broke out in Libya