Invasion of Attica in 431 BC

Target entity: Invasion of Attica in 431 BC
Context triple: [Archidamus II, campaign, Invasion of Attica in 431 BC]

• A. Athenian siege of Thasos
  The Athenian siege of Thasos was a prolonged 5th-century BCE military campaign in which Athens blockaded and eventually subdued the rebellious island polis of Thasos during the early years of the Delian League.
• B. Siege of Mytilene (406 BC)
  The Siege of Mytilene (406 BC) was a key episode in the late Peloponnesian War in which Spartan forces blockaded the Athenian-held city of Mytilene on Lesbos, prompting the Athenian naval response that led to the Battle of Arginusae.
• C. Plataean siege (431–427 BC)
  The Plataean siege (431–427 BC) was a prolonged Spartan and Theban blockade and eventual capture of the Athenian-allied city of Plataea during the early years of the Peloponnesian War.
• D. Sicilian Expedition
  The Sicilian Expedition was a massive Athenian military campaign against Syracuse in Sicily (415–413 BCE) that ended in catastrophic defeat and marked a major turning point in the Peloponnesian War.
• E. siege of Athens
  The siege of Athens was the final Spartan blockade and encirclement of the city at the end of the Peloponnesian War, leading to Athens’ surrender and the collapse of its empire in 404 BC.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Invasion of Attica in 431 BC
Target entity description: The Invasion of Attica in 431 BC was the first major Spartan-led land offensive against Athenian territory at the outset of the Peloponnesian War, marking the beginning of large-scale hostilities between the two city-states.

• A. Athenian siege of Thasos
  The Athenian siege of Thasos was a prolonged 5th-century BCE military campaign in which Athens blockaded and eventually subdued the rebellious island polis of Thasos during the early years of the Delian League.
• B. Siege of Mytilene (406 BC)
  The Siege of Mytilene (406 BC) was a key episode in the late Peloponnesian War in which Spartan forces blockaded the Athenian-held city of Mytilene on Lesbos, prompting the Athenian naval response that led to the Battle of Arginusae.
• C. Plataean siege (431–427 BC)
  The Plataean siege (431–427 BC) was a prolonged Spartan and Theban blockade and eventual capture of the Athenian-allied city of Plataea during the early years of the Peloponnesian War.
• D. Sicilian Expedition
  The Sicilian Expedition was a massive Athenian military campaign against Syracuse in Sicily (415–413 BCE) that ended in catastrophic defeat and marked a major turning point in the Peloponnesian War.
• E. siege of Athens
  The siege of Athens was the final Spartan blockade and encirclement of the city at the end of the Peloponnesian War, leading to Athens’ surrender and the collapse of its empire in 404 BC.
• F. None of above. chosen