Presijan or Presian was the Khan of Bulgaria from 836 to 852 and the grandson of Omortag-Khan of Bulgaria. After five years of peace with the Byzantine Empire, traditions accounted his succession of his uncle Malamir to the throne. Nevertheless, some sources suggest that Presian and Malamir was the same person and hence introduce Malamir-Presian and Presian-Malamir to refer to that person. Khan (sometimes spelled as xan, han) is a title meaning ruler in Mongolian and Turkish. ... Events Abbasid caliph al-Mutasim establishes new capital at Samarra, Iraq. ... Events Boris I Michael succeeds the duumvirate of Malamir and Presian as monarch of Bulgaria. ... Omortag-Khan or Omurtag of Bulgaria succeeded his father Krum to the throne in 814. ... The Byzantine Empire is the term conventionally used to describe the Greek-speaking Roman Empire during the Middle Ages, centered at its capital in Constantinople. ... A city in Iranian province of Lorestan near the Bakhtiyari mountains, northeast of Susa. ...

Bulgarian relations with its neighbors during his reign were marked by long marches, swift military raids and exhausting battles. The neighboring Byzantine Empire had been aiding in rebellions of Slavic tribes within the empire and years of battles against Arabs. Presian Khan chose Kav-Khan Isbul, an aide of his grandfather Omurtag, in charge of the Bulgarian expansion into Macedonia and Byzantine territories in the southwest. In 837, Presian sent his army under the command of Kav-Khan Isbul to the Aegean coast of Macedonia. In Western Rhodopes and Aegean Thrace, they aided the Smolyans, whose revolt had shaken Byzantium. Fierce battles ensued at Philippi and Siar, expanding the Khan's territory. The Byzantine Empire is the term conventionally used to describe the Greek-speaking Roman Empire during the Middle Ages, centered at its capital in Constantinople. ... The Slavic peoples are the most numerous ethnic and linguistic body of peoples in Europe. ... Events Pietro Tradonico elected Doge of Venice. ... The Aegean Sea. ... The Rhodopes (also spelled Rodopi) are a mountain range, with over 83% of its area in southern Bulgaria and the remainder in Greece. ... Thrace (Greek Θρᾴκη Thrákē, Bulgarian Тракия Trakija, Turkish Trakya) is a historical and geographic area in southeast Europe spread over southern Bulgaria, northeastern Greece, and European Turkey. ... Map of Greece showing Philippi Philippi (in Ancient Greek / Philippoi) was a city in eastern Macedonia, founded by Philip II in 356 BC and abandoned in the 14th century after the Ottoman conquest. ...

Presian was defeated in the war from 839 to 842 against the Serbs. The first war ever between the two neighbors did not, however, result in loss of territory. Khan Presian brought together the Slavs from Moesia, Macedonia and Thrace. Annexing territories in Western and Central Macedonia, Kosovo Polje also became part of Bulgaria. Thus he achieved long-sought political unity for the Slavs of the "Bulgarian" group. Events Louis the Pious attempts to divide his empire among his sons. ... Events Oaths of Strasbourg — alliance of Louis the German and Charles the Bald against emperor Lothar — sworn and recorded in vernacular languages. ... Serbs (in the Serbian language Срби, Srbi) are a south Slavic people living chiefly in Serbia and Montenegro and Bosnia and Herzegovina. ... In ancient geography, Moesia was a district inhabited chiefly by Thracian peoples. ... Kosovo Polje (Косово поље, Albanian: Fushë Kosovë) is a town located in Kosovo, Serbia and Montenegro, at 42. ...

See also

• History of Bulgaria
• Bulgars