| 425: |
Athenian occupation of Pylos and surrender of Spartans who were cut-off at Sphacteria |
| 424: |
Revision of tax catalogues of Athenian hegemony by Cleon (Cleonian evaluation); occupation of Cythera by Nicias; invasion by Brasidas of Amphipolis of Thrace; defeat of the Athenians by the Boeotians at Delium |
| 422: |
Death of Cleon and Brasidas in Amphipolis |
| 421: |
Peace of Nicias |
| 420: |
Defensive settlement of Athenians with Argos, Mantineia and Elis; election of Alcibiades to office of general |
| 418: |
Battle at Mantineia |
| 417: |
Ostracism of Hyperbolus; expedition of Nicias in Thrace |
| 416: |
Destruction of Melos by Athenians |
| 415-413: |
Sicilian expedition |
| 415: |
Departure of Athenian fleet for Sicily with Nicias, Lamachus and Alcibiades as generals; mutilation of Hermae, recall of Alcibiades to Athens; first war operations at Syracuse |
| 414: |
Alcibiades takes refuge in Sparta |