The Bulgarian–Ottoman wars were fought Hostile_encounter between the kingdoms remaining Presence from the disintegrating Second Bulgarian Empire , and the Ottoman Empire , in the second half of the 14th century .

The wars resulted with the collapse and subordination of the Bulgarian Empire , and effectively came to an end Process_end with the Ottoman conquest of Tarnovo in July 1393 , although other Bulgarian territories , such as the Tsardom of Vidin , held Defending out slightly longer .

The wars resulted with the collapse and subordination of the Bulgarian Empire , and effectively came to an end Process_end with the Ottoman conquest of Tarnovo in July 1393 , although other Bulgarian territories , such as the Tsardom of Vidin , held Defending out slightly longer .

During the civil war in Byzantium in 1320s and 1330s , the Serbs conquered Conquering most of the Bulgarian and Aromanian populated Macedonia from the Byzantines .

In 1330 Serbian forces defeated Conquering Bulgarian ones , led by Emperor Michail Shishman at Velbazhd effectively raising Cause_change_of_position_on_a_scale the country to the status of the most powerful state in the region .

In 1346 , Serbian king Stefan Uroš IV Dušan received Receiving the title of Emperor with the blessing Rite of the Bulgarian Emperor Ivan Alexander , although after his death Death in 1355 , the large Serbian Empire disintegrated into a few independent states .

The Bulgarian Emperor supported Supporting the first opponent whose stronghold was Constantinople .

In 1344 , Momchil , the independent Bulgarian ruler of the Rhodope and Aegean regions , whose army grew Expansion to 2,000 men , took Creating an important role in the Byzantine civil war .

According to sources , at night the Bulgarian ruler sent Sending boats to burn Destroying the anchored Ottoman ships and soon after he defeated Conquering the army of Kantakouzenos at Mosynopolis .

The 1978 Balkan Bulgarian Tupolev Tu-134 crash Catastrophe was an accident Catastrophe that occurred Presence on 16 March 1978 , when a Balkan Bulgarian Airlines Tupolev Tu-134 airliner on an international flight Motion from Sofia , Bulgaria , to Warsaw Airport , Poland crashed Catastrophe .

The 1978 Balkan Bulgarian Tupolev Tu-134 crash Catastrophe was an accident Catastrophe that occurred Presence on 16 March 1978 , when a Balkan Bulgarian Airlines Tupolev Tu-134 airliner on an international flight Motion from Sofia , Bulgaria , to Warsaw Airport , Poland crashed Catastrophe .

Historians estimate Statement that up to half of Hungary 's then population of 2,000,000 were victims Death of the Mongol invasion Ottokar 's troops consisted of Bohemian-Moravian , German , Polish , Carinthian , Carniolan and Styrian forces , while Bela 's huge army gathered Come_together Hungarian , Slovak , Cuman , Russian , Polish , Bulgarian , Wallachian , Ukrainian ( Galician ) , Slavonian , Croatian , Bosnian , Serbian , Pecheneg and Szekler contingents .

The Uprising of Ivaylo ( ) was a rebellion Violence of the Bulgarian peasantry against the incompetent rule of Emperor Constantine Tikh and the Bulgarian nobility .

The Uprising of Ivaylo ( ) was a rebellion Violence of the Bulgarian peasantry against the incompetent rule of Emperor Constantine Tikh and the Bulgarian nobility .

The Mongols had looted Robbery and ravaged Destroying the Bulgarian population for decades , especially in the region of Dobrudzha .

The weakness of the state institutions was a result of the accelerating process of feudalisation of the Bulgarian Empire .

He sent Sending Ivan Asen III , son of the former Emperor Mitso Asen , to claim Statement the Bulgarian throne at the head of a large Byzantine army .

Michael VIII sent Sending two large armies in an attempt to turn Change the fortunes of the war , but they were both defeated Conquering by the Bulgarian rebels Hostile_encounter in the Balkan mountains .

The siege of Adrianople ( ) in 813 was a part of the wars of the Byzantine Empire with the Bulgarian khan Krum ( Byzantine-Bulgarian Wars ) .

On Krum 's order the population of Adrianople and the surrounding area ( numbering about 10,000 ) was transferred Sending to Bulgarian territory north of the Danube .

970 until 1018 , a series of conflicts Hostile_encounter between the Bulgarian Empire and the Byzantine Empire led to Causation the gradual conquest Conquering of Bulgaria by the Byzantines , who thus re-established Recovering their control Control over the entire Balkan peninsula for the first time since the 7th-century Slavic invasions Attack .

Bulgarian resistance Defending was led by the Cometopuli brothers , who based Causation in the unconquered western regions of the Bulgarian Empire led it until its fall under Byzantine rule Control in 1018 .

Bulgarian resistance Defending was led by the Cometopuli brothers , who based Causation in the unconquered western regions of the Bulgarian Empire led it until its fall under Byzantine rule Control in 1018 .

Emperor Boris II was captured Conquering and taken Bringing to Constantinople where he abdicated Change_of_leadership and the Byzantine Emperor John I Tzimiskes announced Expressing_publicly the annexation Change_of_leadership of Bulgaria , even though the Eastern Roman Empire only controlled Control Eastern Bulgaria at the time , but the lands to the west remained under Bulgarian control Control .

His successful campaigns Military_operation expanded Expansion the Bulgarian borders into Thessaly and Epirus and in 998 he conquered Conquering the principality of Duklja .

With the collapse Destroying of the first Bulgarian state , the Bulgarian church fell under the domination Control of Greek ecclesiastics who took Conquering control Control of the see of Ohrid and attempted to replace Change the Bulgarian Slavic liturgy with a Greek liturgy .

With the collapse Destroying of the first Bulgarian state , the Bulgarian church fell under the domination Control of Greek ecclesiastics who took Conquering control Control of the see of Ohrid and attempted to replace Change the Bulgarian Slavic liturgy with a Greek liturgy .

With the collapse Destroying of the first Bulgarian state , the Bulgarian church fell under the domination Control of Greek ecclesiastics who took Conquering control Control of the see of Ohrid and attempted to replace Change the Bulgarian Slavic liturgy with a Greek liturgy .

It resulted in Causation a Bulgarian victory Earnings_and_losses After the Bulgarians annihilated Destroying the Latin army in the battle Military_operation of Rusion on 31 January 1206 the remnants of the shattered Crusader forces headed Self_motion to the coastal town of Rodosto to seek Getting refuge Preserving .

However , the fear of the Bulgarians was so great that the Latins panicked with the very arrival Arriving of the Bulgarian soldiers .

It began Process_start on 26 October 1185 , the feast day of St. Demetrius of Thessaloniki , and ended Process_end with the restoration of Bulgaria with the creation of the Second Bulgarian Empire , ruled by the Asen dynasty .

Preslav , capital of the First Bulgarian Empire , was raided Attack , and it was after this symbolic incident that Peter assumed Receiving the insignia of Tsar ( or Emperor ) .

Thus , when the armies of Bulgarians and the Vlachs returned Arriving , reinforced Cause_change_of_strength with their Cuman allies , they found Know the region undefended and regained Getting not only their old territory but the whole of Moesia , a considerable step towards the establishment of a new Bulgarian state .

The lands between the Haemus and the Danube were now lost Earnings_and_losses for the Byzantine Empire , leading to Causation the signing of a truce , thus de facto recognising Know the rule of the Asen and Peter over the territory , leading to Causation the creation of the Second Bulgarian Empire .

The Emperor 's only consolation was to hold Defending , as hostages , Asen 's wife and a certain John ( future Kaloyan of Bulgaria ) , brother of the two new leaders of the Bulgarian state .

The Byzantine–Bulgarian war Military_operation of 894–896 ( ) , also called Name_conferral the Trade war Military_operation ( ) , was fought Competition between the Bulgarian Empire and the Byzantine Empire as a result Causation of the decision of the Byzantine emperor Leo VI to move Removing the Bulgarian market from Constantinople to Thessaloniki which would greatly increase Cause_change_of_position_on_a_scale the expenses Cost of the Bulgarian merchants .

The Byzantine–Bulgarian war Military_operation of 894–896 ( ) , also called Name_conferral the Trade war Military_operation ( ) , was fought Competition between the Bulgarian Empire and the Byzantine Empire as a result Causation of the decision of the Byzantine emperor Leo VI to move Removing the Bulgarian market from Constantinople to Thessaloniki which would greatly increase Cause_change_of_position_on_a_scale the expenses Cost of the Bulgarian merchants .

The Byzantine–Bulgarian war Military_operation of 894–896 ( ) , also called Name_conferral the Trade war Military_operation ( ) , was fought Competition between the Bulgarian Empire and the Byzantine Empire as a result Causation of the decision of the Byzantine emperor Leo VI to move Removing the Bulgarian market from Constantinople to Thessaloniki which would greatly increase Cause_change_of_position_on_a_scale the expenses Cost of the Bulgarian merchants .

Aided Assistance by the Byzantine navy , in 895 the Magyars invaded Attack Dobrudzha and defeated Conquering the Bulgarian troops .

Cornered between the Bulgarians and the Pechanegs , the Magyars suffered Confronting_problem a crushing defeat at the hands of the Bulgarian army and had to migrate Escaping westwards , settling Response in Pannonia .

With the Magyar threat eliminated Removing , Simeon led his hosts south and routed Attack the Byzantine army in the battle Hostile_encounter of Boulgarophygon in the summer of 896 , which forced Causation Byzantium to agree Agree_or_refuse_to_act to the Bulgarian terms .

The war Military_operation ended Process_end with a peace treaty Sign_agreement which restored Recovering the Bulgarian market in Constantinople and confirmed Check Bulgarian domination in the Balkans .

The war Military_operation ended Process_end with a peace treaty Sign_agreement which restored Recovering the Bulgarian market in Constantinople and confirmed Check Bulgarian domination in the Balkans .

The unconditional surrender Surrendering of the border fortress of Rupel in May 1916 to the Central Powers ' forces , mainly composed of Bulgarian troops , was the first event that led to Causation the Noemvriana .

By the end Process_end of the summer of 1916 , the failure of negotiations , along with the Bulgarian army 's advance in eastern Macedonia and the Greek government 's orders for the Greek army not to offer resistance , led to Causation a military coup by Venizelist military officers in Thessaloniki with the support Supporting of the Allies .

The more numerous combined Cause_to_amalgamate Serbian and Greek armies repelled Defending the Bulgarian offensive and counter-attacked Attack into Bulgaria from the west and the south .

There , the Bulgarian and German armies led Bringing by General August von Mackensen reported Reporting a glorious victory Earnings_and_losses .

During the battle Hostile_encounter , he rode Self_motion to the safety of enemy lines , leaving Departing the Bulgarian army to be crushed Attack .

The Kosovo Operation Military_operation ( October 15–November 22 , 1944 ) was a series of military operations Military_operation leading up to one final push Influence during World War Military_operation II , launched Process_start by the Bulgarian army ( commanded Control by Major General Kiril Stanchev ) with the assistance Assistance of Yugoslav and Albanian Partisans to expel Removing German forces from Kosovo and prevent Preventing_or_letting the retreat Escaping of German forces from Greece .

German Army Group E was withdrawing Escaping through it from Greece towards Bosnia , since the escape Escaping route through Niš and Belgrade had been closed Process_end by the Yugoslav Partisan , Bulgarian and Soviet forces ( during the Belgrade Offensive ) .