• Formation and expansion of the First Bulgarian Empire

• Bulgarian retreat, peace treaty concluded

• Expansion of the Bulgarian Empire

• Bulgarian Empire nearly conquered Constantinople

• Serbia is conquered by King Simeon and Bulgaria for the first time

• Kievan Rus' conquered areas of northern Bulgaria
• Byzantine victory over Kievan Rus', formal annexation of Bulgaria.^{[citation needed]}

• Dissolution of the First Bulgarian Empire
• Kingdom of Duklja became last remaining region left unconquered

• Reestablishment of the Bulgarian Empire
• Bulgarian Empire resurfaces as a great power in Eastern Europe^{[citation needed]}

• The Bulgarian Empire under king Kaloyan pushes Serbia to the west

• Weakening of the Latin Empire and enlargement of the Bulgarian Empire

• Empire of Thessalonica conquered by Bulgaria
• Thessaly and Epirus became vassals of the Bulgarian empire
• Bulgaria emerged as pre-eminent power in Southeastern Europe

• Bulgarian army pushed back Batu Khan's forces

• Peasant Ivaylo seized the throne, killing the Bulgarian tsar
• 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

• Bulgarian Empire conquered most of Thrace

• Kantakouzenos defeated regents, became emperor
• Bulgarian Empire gained northern Thrace

• Ottoman advance to Sofia halted in 1349 and 1355
• Bulgarian phyrric victory over Ottomans at Çamurli field in 1371
• Bulgaria held off the Ottoman army until the Bulgarian betrayal of brothers

• Fall of the Bulgarian Empire

• Treaty of San Stefano
• Treaty of Berlin
• Ottoman Empire suffered severe defeat, losing key holdings in Europe
• Independence of Bulgaria, Romania, Serbia and Montenegro

• Serbia unexpectedly attacked former ally Bulgaria
• Prince Alexander of Battenburg led Bulgaria to victory

• Four-way war between Bulgaria, Serbia, Greece, Romania and the Ottoman Empire
• Inconclusive result after Young Turk Revolution
• Bulgaria gained full independence in 1908

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

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

• Dissatisfied with gains from the First Balkan War, Bulgaria attacked former allies Serbia and Greece
• Attacks repulsed by Greece and Serbia, whose armies enter Bulgaria
• Romanian and Ottoman intervention forced Bulgaria to ask for armistice
• Bulgarian territorial cessations in Treaty of Bucharest and Treaty of Constantinople

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

• Due to a border incident, Greek dictator Theodoros Pangalos sent troops into Bulgaria
• League of Nations brokered ceasefire and Greek withdrawal
• Greece fined for violating Bulgarian territory
• Bulgaria paid damages for shooting Greek soldiers^[1]

• Bulgarian monarchy abolished and replaced with communist government
• Southern Dobruja ceded to Bulgaria post-war

 Czechoslovakia

 Albania

 Romania

• Warsaw Pact allies including Bulgaria invaded Czechoslovakia
• Minimal Czechoslovak armed resistance
• Czech reformist leaders forced to sign Moscow Protocol, ending the Prague Spring

 

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

Ba'athist Iraq

• Part of the Iraqi Insurgency and War on Terror
• Invasion and occupation of Iraq
• Defeat of Ba'ath Party government and execution of Saddam Hussein
• Iraqi insurgency, emergence of al-Qaeda in Iraq, and civil war^[2]
• Subsequent depletion of Iraqi insurgency,^[3] improvements in public security^[4]
• Establishment of democratic elections and formation of new Shia led government.
• U.S.–Iraq Status of Forces Agreement
• Withdrawal of U.S. forces from Iraq
• War on ISIL
• Iraqi Civil War

•  United States
•  Bulgaria
  (one frigate as part of NATO contribution)^[5]
• other allies

• NTC assumed interim control of Libya.
• Civil war in Libya