Ivan Sratsimir, or Ivan Stratsimir, was emperor (tsar) of Bulgaria in Vidin from 1356 to 1396. He was born in 1324 or 1325, and he died in or after 1397. Despite being the eldest surviving son of Ivan Alexander, Ivan Sratsimir was disinherited in favour of his half-brother Ivan Shishman and proclaimed himself emperor in Vidin. When the Hungarians attacked and occupied his domains, he received assistance from his father and the invaders were driven away.
Ivan Shishman ruled as emperor (tsar) of Bulgaria in Tarnovo from 1371 to 3 June 1395. The authority of Ivan Shishman was limited to the central parts of the Bulgarian Empire.
Ivan Alexander, also sometimes Anglicized as John Alexander, ruled as Emperor (Tsar) of Bulgaria from 1331 to 1371, during the Second Bulgarian Empire. The date of his birth is unknown. He died on 17 February 1371. The long reign of Ivan Alexander is considered a transitional period in Bulgarian medieval history. Ivan Alexander began his rule by dealing with internal problems and external threats from Bulgaria's neighbours, the Byzantine Empire and Serbia, as well as leading his empire into a period of economic recovery and cultural and religious renaissance.
The Second Bulgarian Empire was a medieval Bulgarian state that existed between 1185 and 1396. A successor to the First Bulgarian Empire, it reached the peak of its power under Tsars Kaloyan and Ivan Asen II before gradually being conquered by the Ottomans in the early 15th century.
The Battle of Velbazhd took place between Bulgarian and Serbian armies on 28 July 1330, near the town of Velbazhd.
The Byzantine–Bulgarian wars were a series of conflicts fought between the Byzantine Empire and Bulgaria which began after the Bulgars conquered parts of the Balkan peninsula after 680 AD. The Byzantine and First Bulgarian Empire continued to clash over the next century with variable success, until the Bulgarians, led by Krum, inflicted a series of crushing defeats on the Byzantines. After Krum died in 814, his son Omurtag negotiated a thirty-year peace treaty. Simeon I had multiple successful campaigns against the Byzantines during his rule from 893 to 927. His son Peter I negotiated another long-lasting peace treaty. His rule was followed by a period of decline of the Bulgarian state.
The Tsardom of Vidin was a medieval Bulgarian state centred in the city of Vidin from 1356 to 1396.
The Bulgarian–Ottoman wars were fought between the kingdoms remaining 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 with the Ottoman conquest of Tarnovo in July 1393, although other Bulgarian states held out slightly longer, such as the Tsardom of Vidin until 1396 and the Despotate of Dobruja until 1411. As a result of the wars the Ottoman Empire greatly expanded its territory on the Balkan peninsula, stretching from the Danube to the Aegean Sea.
Michail Asen was the eldest son of Ivan Alexander of Bulgaria from his marriage with Theodora of Wallachia.
The medieval Bulgarian army was the primary military body of the First and the Second Bulgarian Empires, and some Puppet states of the former, like the Despotate of Dobruja. During the first decades after the foundation of the country, the army consisted of a Bulgar cavalry and a Slavic infantry. The core of the Bulgarian army was the heavy cavalry, which consisted of ca. 12,000 heavily armed riders. At its height in the 9th and 10th centuries, it was one of the most formidable military forces in Europe and was feared by its enemies. There are several documented cases of Byzantine commanders abandoning an invasion because of a reluctance to confront the Bulgarian army on its home territory.
Ivan Asen, also known as Ivan Asen IV was a Bulgarian Prince, third son of Emperor Ivan Alexander from his first wife Theodora of Wallachia. He was born c. 1326.
The Uprising of Ivaylo was a rebellion of the Bulgarian peasantry against the incompetent rule of Emperor Constantine Tikh and the Bulgarian nobility. The revolt was fuelled mainly by the failure of the central authorities to confront the Mongol menace in north-eastern Bulgaria. The Mongols had looted and ravaged the Bulgarian population for decades, especially in the region of Dobrudzha. The weakness of the state institutions was due to the accelerating feudalisation of the Second Bulgarian Empire.
The House of Sratsimir or Sracimir, also referred to as the Sratsimirovtsi, was a medieval Bulgarian dynasty which became the last ruling house of the Second Bulgarian Empire (1331–1422). The Stratsimir dynasty was matrilineally descended from the previous Bulgarian royal houses of Asen and Shishman. After its deposition following the Ottoman conquest of Bulgaria, princes of the Sratsimir dynasty survived in exile in the neighbouring Kingdom of Hungary until at least the second half of the 16th century.
Ivan Asen II, also known as John Asen II, was Emperor (Tsar) of Bulgaria from 1218 to 1241. He was still a child when his father Ivan Asen I – one of the founders of the Second Bulgarian Empire – was killed in 1196. His supporters tried to secure the throne for him after his uncle, Kaloyan, was murdered in 1207, but Kaloyan's other nephew, Boril, overcame them. Ivan Asen fled from Bulgaria and settled in the Rus' principalities.
Ivan Asen V was the second son of emperor Ivan Alexander and his second wife Sarah-Theodora. He was probably named after his elder brother Ivan Asen IV who died in 1349 in battle against the Ottoman Turks near Ihtiman or Sofia.
Alexander, subsequently Iskender, was the eldest son of Bulgarian tsar Ivan Shishman. Alexander was possibly made co-emperor by his father before the Ottoman conquest of the Tarnovo Tsardom in 1395. After the subjugation of Ivan Shishman's realm and his execution, Alexander converted to Islam to avoid his father's fate. He was made governor of Samsun, where he remained until 1402. From 1413 to 1418, when he was killed in a battle against a local rebel, Alexander was in charge of Smyrna (İzmir).
This is a list of people, places, and events related to the medieval Bulgarian Empires — the First Bulgarian Empire (681–1018), and the Second Bulgarian Empire (1185–1396).
Bulgarian Empire 
Ottoman Empire