First Messenian War and conquest of MesseniaJan 1, 743 BCELabels: First Messenian, MesseniaBritannicaFirstWar
Traditional “Great Rhetra” constitutional oracleJan 1, 700 BCELabels: Great Rhetra, LycurgusPlutarchBritannicaGreatRhetra
Second Messenian War and helot resistanceJan 1, 660 BCELabels: Second Messenian, HelotsBritannicaSecondWar
Tyrtaeus composes martial and constitutional elegyJan 1, 650 BCELabels: Tyrtaeus, PoetryBritannicaTyrtaeus
Agoge tradition placed in 7th–6th centuriesJan 1, 650 BCELabels: Agoge, Spartiate upbringingAgogePlutarch
Common messes (syssitia) as civic requirementJan 1, 650 BCELabels: Syssitia, Common MessesLycurgusPlutarch
Crypteia tradition as helot-control mechanismJan 1, 625 BCELabels: Crypteia, Youth institutionCrypteia1911EB
Spartan alliance system begins forming (Peloponnesian League)Jan 1, 550 BCELabels: Peloponnesian League, AlliancesBritannicaWHE
Peloponnesian League federal congress procedures developJan 1, 506 BCELabels: Peloponnesian League, Federal CongressBritannicaLeague