Thebes under Epaminondas shattered Spartan military dominance with the revolutionary oblique order formation at Leuctra. The subsequent invasion of the Peloponnese freed the Messenian helots and permanently ended Sparta's status as a great power.

Standing in 379 BCE

Records whose own span was running in this exact year.

Egypt Polity · Middle East 3000 BCE – 2026 CE Greek city-states Polity · Europe 1500 BCE – 300 BCE Celts Polity · Europe Founded 1200 BCE · attested to 100 BCE Plitvice Lakes Landmark · Europe 3000 BCE – still standing Giant's Causeway Landmark · Europe 3000 BCE – still standing Danube Delta Landmark · Europe 3000 BCE – still standing

Around the same time

The nearest dated moments on either side.

400 BCE Church of Our Lady Mary of Zion 400 BCE Axum 400 BCE Yoshinogari 400 BCE Ostia Antica 395 BCE Corinthian War 371 BCE Battle of Leuctra

Image credits1 picture from Wikimedia Commons

Theban–Spartan WarF. Mitchell, Department of History, United States Military Academy · Public domain