The Pechenegs or Patzinaks were a semi-nomadic Turkic people from Central Asia who spoke the Pecheneg language. In the 9th and 10th centuries, the Pechenegs controlled much of the steppes of southeast Europe and the Crimean Peninsula. In the 9th century the Pechenegs began a period of wars against Kievan Rus', and for more than two centuries launched raids into the lands of Rus', which sometimes escalated into full-scale wars.
The Pechenegs slaughter the Varangian army of Rus, from the Madrid Skylitzes.
Sviatoslav enters Bulgaria with Pecheneg allies, from the Constantine Manasses Chronicle.
The heroic deed of the young Kyivite during the siege of Kyiv by the Pechenegs in 968. Andrey Ivanovich Ivanov.
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.