Sparta conquers Messenia and expands helotageJan 1, 724 BCELabels: Sparta, Messenia, HelotageBritannicaFirst War
Second Messenian War reinforces Spartan controlJan 1, 660 BCELabels: Second Messenian, SpartaSecond WarBritannica
Cleisthenes reforms citizenship and Athenian democracyJan 1, 508 BCELabels: Cleisthenes, Athenian democracyBritannica
Laurion silver windfall boosts slavery-linked miningJan 1, 483 BCELabels: Laurion silver, AthensPBS GreeksLaurion
Sparta’s 464 BCE earthquake triggers major helot revoltJan 1, 464 BCELabels: Sparta, Helot revoltBritannica464 quake
Athens develops public slavery in civic administrationJan 1, 450 BCELabels: Public slaves, AthensCambridgeDemosioi
Athenian war policy includes mass enslavementsJan 1, 427 BCELabels: Athens, Peloponnesian WarMytilene
Athenian oligarch criticizes slave freedoms in naval economyJan 1, 425 BCELabels: Old Oligarch, Athenian navyOld Oligarch
Decelea occupation sparks large-scale slave flight from AthensJan 1, 413 BCELabels: Decelea occupation, AthensDeceleaLaurion
Xenophon proposes reviving Laurion revenues with state slavesJan 1, 355 BCELabels: Xenophon, Laurion minesPoroiSpringer
Aristotle formulates “natural slavery” argumentsJan 1, 350 BCELabels: Aristotle, Natural slaveryAristotleNatural slavery