Kievan Rus' invasion of Bulgaria

Target entity: Kievan Rus' invasion of Bulgaria
Context triple: [Peter I of Bulgaria, conflict, Kievan Rus' invasion of Bulgaria]

• A. Battle of Pliska
  The Battle of Pliska was a major 811 AD clash in which the First Bulgarian Empire decisively defeated and annihilated a Byzantine army led by Emperor Nikephoros I, reshaping the balance of power in the Balkans.
• B. Battle of Klokotnitsa
  The Battle of Klokotnitsa was a decisive 1230 military victory in which the Second Bulgarian Empire crushed the Despotate of Epirus, establishing Bulgaria as the dominant power in the Balkans.
• C. Battle of Maloyaroslavets
  The Battle of Maloyaroslavets was a key engagement during Napoleon’s 1812 Russian campaign that forced the French army to retreat along the devastated route of its advance, contributing significantly to its eventual destruction.
• D. Battle of the Kalka River
  The Battle of the Kalka River was a 1223 clash in which Mongol forces decisively defeated a coalition of Kievan Rus' princes and their Cuman allies, marking an early and ominous demonstration of Mongol military power in Eastern Europe.
• E. Mongol conquest of Volga Bulgaria
  The Mongol conquest of Volga Bulgaria was a 13th-century military campaign in which the Mongol Empire subjugated the Volga Bulgar state, securing control over key trade routes in the Middle Volga region.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Kievan Rus' invasion of Bulgaria
Target entity description: The Kievan Rus' invasion of Bulgaria was a 10th-century military campaign in which Prince Sviatoslav I of Kiev overran much of the First Bulgarian Empire, reshaping the balance of power in Eastern Europe and prompting Byzantine intervention.

• A. Battle of Pliska
  The Battle of Pliska was a major 811 AD clash in which the First Bulgarian Empire decisively defeated and annihilated a Byzantine army led by Emperor Nikephoros I, reshaping the balance of power in the Balkans.
• B. Battle of Klokotnitsa
  The Battle of Klokotnitsa was a decisive 1230 military victory in which the Second Bulgarian Empire crushed the Despotate of Epirus, establishing Bulgaria as the dominant power in the Balkans.
• C. Battle of Maloyaroslavets
  The Battle of Maloyaroslavets was a key engagement during Napoleon’s 1812 Russian campaign that forced the French army to retreat along the devastated route of its advance, contributing significantly to its eventual destruction.
• D. Battle of the Kalka River
  The Battle of the Kalka River was a 1223 clash in which Mongol forces decisively defeated a coalition of Kievan Rus' princes and their Cuman allies, marking an early and ominous demonstration of Mongol military power in Eastern Europe.
• E. Mongol conquest of Volga Bulgaria
  The Mongol conquest of Volga Bulgaria was a 13th-century military campaign in which the Mongol Empire subjugated the Volga Bulgar state, securing control over key trade routes in the Middle Volga region.
• F. None of above. chosen