The world in 428 BC — what happened that year
13 events the sources record for this year, grouped by region.
What happened
Southern Europe (13)
- The Mytileneans lost a naval battle and were besieged. (Diodorus Siculus, Library of History 12.55.4)
- Sparta besieged Plataea and enclosed it with a wall. (Diodorus Siculus, Library of History 12.56.1)
- The third Peloponnesian invasion of Attica, when the grain was at its height (Thucydides, History of the Peloponnesian War 3.1.1)
- All of Lesbos except Methymna breaks away from Athens (Thucydides, History of the Peloponnesian War 3.2.1)
- An Athenian fleet arrives and, after truce talks, halts for the time being (Thucydides, History of the Peloponnesian War 3.4.1)
- A Mytilenean embassy at the Olympia assembly appeals to the Spartan alliance for aid (3.9-14) (Thucydides, History of the Peloponnesian War 3.8.1)
- Sparta allies with Lesbos and decides to invade Attica (Thucydides, History of the Peloponnesian War 3.15.1)
- Athens launches 100 new ships and shows them off the Isthmus while touring the Peloponnesian coast (Thucydides, History of the Peloponnesian War 3.16.1)
- Paches surrounds Mytilene with a wall, with 1,000 hoplites (early autumn) (Thucydides, History of the Peloponnesian War 3.18.3)
- The starving Plataeans resolve to break out through the siege lines (Thucydides, History of the Peloponnesian War 3.20.1)
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Same events recorded in this year
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