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

However , Ivaylo broke Destroying the siege Besieging and Ivan Asen III fled Escaping back to the Byzantine Empire .

Years after the demise Death of the peasant emperor , two `` Pseudo-Ivaylos '' appeared Presence in the Byzantine Empire and enjoyed Getting wide support Supporting by the populace .

The Spanish conquest of the Aztec Empire , also known as the Spanish–Mexica War ( 1519–21 ) , was one of the primary events in the Spanish colonization of the Americas .

It was not solely a contest between a small contingent of Spaniards defeating Conquering the Aztec Empire but rather the creation of a coalition of Spanish invaders with tributaries to the Aztecs , and most especially the Aztecs ' indigenous enemies and rivals .

The Spanish campaign against the Aztec Empire had its final victory on 13 August 1521 , when a coalition army of Spanish forces and native Tlaxcalan warriors led by Cortés and Xicotencatl the Younger captured Conquering the emperor Cuauhtemoc and Tenochtitlan , the capital of the Aztec Empire .

The Spanish campaign against the Aztec Empire had its final victory on 13 August 1521 , when a coalition army of Spanish forces and native Tlaxcalan warriors led by Cortés and Xicotencatl the Younger captured Conquering the emperor Cuauhtemoc and Tenochtitlan , the capital of the Aztec Empire .

Cortés made Causation alliances with tributaries city-states ( `` altepetl '' ) of the Aztec Empire as well as their political rivals , particularly the Tlaxcalteca and Texcocans , a former partner in the Aztec Triple Alliance .

The fall of the Aztec Empire was the key event in the formation of the Spanish Empire overseas , with New Spain , which later became Becoming Mexico .

The fall of the Aztec Empire was the key event in the formation of the Spanish Empire overseas , with New Spain , which later became Becoming Mexico .

The episode is characterized by divisions in pre-Confederation Canadian society concerning whether Canada was the North American appendage of the British Empire or a nascent sovereign nation .

Political reforms followed the rebellions as Canada was of vital strategic interest to the British Empire .

Texas quickly became Becoming one of the leading oil producing states in the U.S. , along with Oklahoma and California ; soon the nation overtook the Russian Empire as the top producer of petroleum .

Antony 's Parthian War Military_operation or the Roman–Parthian War Military_operation of 40–33 BC was a major conflict Hostile_encounter between the Roman Republic , represented Presence in the East by the triumvir Mark Antony , and the Parthian Empire .

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

The Fall Conquering of Constantinople ( ; ) was the capture Conquering of the capital city of the Byzantine Empire by an invading Attack Ottoman army on the Sunday of Pentecost , 29 May 1453 .

The capture Conquering of the city ( and two other Byzantine splinter territories soon thereafter ) marked Recording the end Process_end of the Roman Empire , a state which dated to 27 BC , which had lasted for nearly 1,500 years .

The conquest Conquering of the city of Constantinople and the end Process_end of the Byzantine Empire was a key event in the Late Middle Ages which also marks , for some historians , the end Process_end of the Medieval period .

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 .

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 .

As the Byzantine-Bulgarian relations deteriorated Cause_change_of_position_on_a_scale by the end of the 960s , the Eastern Roman Empire paid Commerce_pay the Kievan prince Sviatoslav to attack Attack Bulgaria .

The unexpected collapse Destroying of Bulgaria and Sviatoslav 's ambitions to seize Conquering Constantinople caught Self_motion the Eastern Roman Empire off-guard but they managed to pull Motion back the Kievan armies and occupied Control eastern Bulgaria including the capital Preslav in 971 .

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 .

The Third Crusade ( 1189–1192 ) was an attempt by the leaders of the three most powerful states of Western Christianity ( England , France , and the Holy Roman Empire ) to reconquer Conquering the Holy Land following the capture Conquering of Jerusalem by the Ayyubid sultan , Saladin , in 1187 .

The cause Causation of the war Hostile_encounter was the proclamation Statement by Yuan Shikai , the President of the Republic , of himself as the Hongxian Emperor , Emperor of the Empire of China .

On February 23 , 1997 , Ali Hassan Abu Kamal , a 69-year-old Palestinian teacher , opened fire Use_firearm on the observation deck of the Empire State Building in Manhattan , New York City .

The Second Battle Hostile_encounter of Kosovo ( Hungarian : `` második rigómezei csata '' , Turkish : `` İkinci Kosova Savaşı '' ) ( 17–20 October 1448 ) was a land battle Hostile_encounter between a Hungarian-led Crusader army and the Ottoman Empire at Kosovo Polje .

The battle Hostile_encounter ended Process_end any hopes of saving Rescuing Constantinople from the Ottoman Empire .

The Battle Hostile_encounter of Chaldiran ( ; ) took place Process_start on 23 August 1514 and ended Process_end with a decisive victory for the Ottoman Empire over the Safavid Empire .

The Battle Hostile_encounter of Chaldiran ( ; ) took place Process_start on 23 August 1514 and ended Process_end with a decisive victory for the Ottoman Empire over the Safavid Empire .

The Armenian Genocide ( , ; ; ) , also known as the Armenian Holocaust , was the Ottoman government 's systematic extermination of 700,000 to 1.5 million Armenians , mostly citizens of the Ottoman Empire .

The Seljuq campaigns Military_operation in the Aegean refer Name_conferral to the ground and naval actions conducted Action by the Seljuk Turks , chiefly under the leadership of Tzachas of Smyrna against the Byzantine Empire .

The Sasanian Empire conquered Conquering Jerusalem after a brief siege in 614 , during the Byzantine–Sasanian War of 602–628 , after the Persian Shah Khosrau II appointed Change_of_leadership his general Shahrbaraz to conquer Conquering the Byzantine controlled areas of the Near East .

By this time the grand inner harbor had silted up and was useless , however the Emperor Anastasius had reconstructed Recovering the outer harbor and Caesarea remained an important maritime city , providing Giving the Persian Empire with access Having_or_lacking_access to the Mediterranean Sea .

The 1534 capture Conquering of Baghdad by Suleiman the Magnificent of the Ottoman Empire from the Safavid dynasty under Tahmasp I was part the Ottoman–Safavid War Hostile_encounter of 1532 to 1555 , itself part a series of Ottoman–Persian Wars Hostile_encounter .

The Second Battle of Homs was fought Hostile_encounter in western Syria on 29 October 1281 , between the armies of the Mamluk dynasty of Egypt and the Ilkhanate , a division of the Mongol Empire centered on Iran .

The Kalinga War Hostile_encounter ( ended Process_end ) was fought Hostile_encounter in what is now India between the Maurya Empire under Ashoka and King of Raja Anantha of the state of Kalinga , an independent feudal kingdom located on the east coast , in the present-day state Statement of Odisha and north of Andhra Pradesh .

The war Hostile_encounter continued in other areas , although the heartland of the republic was no longer threatened ; this included Cause_to_be_included the beginnings Process_start of the Dutch Colonial Empire , which at the time were conceived Creating as carrying Bringing overseas the war Hostile_encounter with Spain .

An end Process_end was reached Arriving in 1648 with the Peace of Münster ( a treaty part of the Peace of Westphalia ) , when the Dutch Republic was definitively recognised Know as an independent country no longer part of the Holy Roman Empire .

In a series of three stages , the conquest Conquering of the Maghreb commenced Process_start in 647 and concluded Process_end in 709 with the `` Byzantine '' Roman Empire losing Earnings_and_losses its last remaining Presence strongholds to the then-Umayyad Caliphate .

By 642 AD , under Caliph Umar , Arab Muslim forces had laid Placing control Control of Mesopotamia ( 638 ) , Syria ( 641 ) , Egypt ( 642 ) , and had invaded Attack Armenia , all previously territories split Motion between the warring Hostile_encounter Byzantine and Persian Empires , and were concluding Process_end their conquest Conquering of the Persian Empire with their defeat Conquering of the Persian army at the Battle Hostile_encounter of Nahāvand .

The French garrison held Defending out until the January 1871 armistice between France and the German Empire obligated Imposing_obligation French forces to abandon GiveUp the stronghold in February 1871 .

The Assyrian genocide Killing ( also known as Sayfo or Seyfo , `` Sword '' ; or ) refers to the mass slaughter of the Assyrian population of the Ottoman Empire and those in neighbouring Persia by Ottoman troops during the First World War Hostile_encounter , in conjunction with the Armenian and Greek genocides Killing .

In 2007 , the International Association of Genocide Scholars ( IAGS ) reached Arriving a consensus that the `` Ottoman campaign Military_operation against Christian minorities of the Empire between 1914 and 1923 constituted a genocide Killing against Armenians , Assyrians , and Pontian and Anatolian Greeks . ''

Gregory Stanton , the President of the IAGS in 2007–2008 and the founder of Genocide Watch , endorsed Agree_or_refuse_to_act the `` repudiation Statement by the world 's leading Causation genocide scholars of the Turkish government 's ninety-year denial of the Ottoman Empire 's genocides Killing against its Christian populations , including Assyrians , Greeks , and Armenians . ''

The Uprising of Asen and Peter ( ) was a revolt of Bulgarians and Vlachs living in Moesia and the Balkan Mountains , then the theme of Paristrion of the Byzantine Empire , caused Causation by a tax increase .

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 ) .

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 .