The Bulgarian–Latin wars were a series of conflicts between the Second Bulgarian Empire (1185–1396) and the Latin Empire (1204–61). The wars affected the northern border of the Latin Empire throughout its existence.
Boniface of Montferrat elected leader of the Fourth Crusade and eventual king of Thessalonica before his death by the Bulgarian King Kaloyan
The Cumans or Kumans were a Turkic nomadic people from Central Asia comprising the western branch of the Cuman–Kipchak confederation who spoke the Cuman language. They are referred to as Polovtsy in Rus', Cumans in Western and Kipchaks in Eastern sources.
Asia, circa 1200
The field of Igor Svyatoslavich's battle with the Cuman–Kipchaks, by Viktor Vasnetsov
After the Battle of Kerlés in 1068, Saint Ladislaus is fighting a duel with a cuman warrior who kidnapped a girl. (Chronicon Pictum, 1358)
Fresco detail in the Székelyderzs church: Saint Ladislaus is fighting a duel with a cuman warrior.