Battle of Opis

Target entity: Battle of Opis
Context triple: [Cyrus the Great, battle, Battle of Opis]

• A. Battle of the Zab
  The Battle of the Zab was the decisive 750 CE confrontation in which the Abbasid forces defeated the Umayyad Caliphate, leading to the latter’s collapse and the establishment of Abbasid rule over the Islamic empire.
• B. Battle of Heraclea
  The Battle of Heraclea was a major 280 BC clash in southern Italy where King Pyrrhus of Epirus defeated the Romans in one of the earliest and most famous engagements of the Pyrrhic War.
• C. Battle of Cannae
  The Battle of Cannae was a major engagement in 216 BC during the Second Punic War in which Hannibal’s Carthaginian army annihilated a much larger Roman force, becoming one of history’s most famous examples of tactical encirclement.
• D. Battle of Carnuntum
  The Battle of Carnuntum was a major clash between Roman forces and Germanic tribes during the Marcomannic Wars, fought near the important Roman military and administrative center of Carnuntum on the Danube frontier.
• E. Battle of Vitsi
  The Battle of Vitsi was a major engagement of the Greek Civil War in 1949, where government forces decisively defeated the communist Democratic Army of Greece near the Greek–Albanian border.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Battle of Opis
Target entity description: The Battle of Opis was a decisive 539 BC engagement in which Cyrus the Great’s Persian forces defeated the Neo-Babylonian army, leading to the fall of Babylon and the expansion of the Achaemenid Empire.

• A. Battle of the Zab
  The Battle of the Zab was the decisive 750 CE confrontation in which the Abbasid forces defeated the Umayyad Caliphate, leading to the latter’s collapse and the establishment of Abbasid rule over the Islamic empire.
• B. Battle of Heraclea
  The Battle of Heraclea was a major 280 BC clash in southern Italy where King Pyrrhus of Epirus defeated the Romans in one of the earliest and most famous engagements of the Pyrrhic War.
• C. Battle of Cannae
  The Battle of Cannae was a major engagement in 216 BC during the Second Punic War in which Hannibal’s Carthaginian army annihilated a much larger Roman force, becoming one of history’s most famous examples of tactical encirclement.
• D. Battle of Carnuntum
  The Battle of Carnuntum was a major clash between Roman forces and Germanic tribes during the Marcomannic Wars, fought near the important Roman military and administrative center of Carnuntum on the Danube frontier.
• E. Battle of Vitsi
  The Battle of Vitsi was a major engagement of the Greek Civil War in 1949, where government forces decisively defeated the communist Democratic Army of Greece near the Greek–Albanian border.
• F. None of above. chosen