First Messenian War
Over roughly two decades in the late 8th century BCE Sparta overran the fertile region of Messenia across the Taygetus range. The defeated Messenians were collectivised as helots — unfree agricultural labourers bound to the Spartan state rather than individual masters — and assigned to work the kleroi that supported Spartiate citizens. The conquest created a permanent internal colonial situation in which a small Spartiate minority ruled a far larger subjugated population. This demographic arithmetic shaped every subsequent Spartan institution, from the agoge to the krypteia, and constrained Sparta's ability to campaign abroad for fear of helot revolt. The annexation thus functioned less as a one-off victory than as the structural foundation of the entire Spartan social and military order.
- Year: 740 BCE
- Category: Military
