Arkadia

580 BCE

Heraia signs a treaty with Eleian cities for mutual protection and support for 100 years.

560 BCE

Sparta defeats Tegea and compels them to recognize their supremacy.

530 BCE

Death of Battos III of Kyrene, who with Demonax of Mantineia had reformed Kyrene’s constitution. Arkesilaos III becomes king.

518 BCE

Arkesilaos III of Kyrene wishes to revert the laws setup by Demonax of Mantineia. This leads to armed conflict where he is defeated and flees to Samos.

480 BCE

The Battle of Thermopylae. Soldiers from Sparta, Mantinea, Tegea, Orchomenos (Arkadia), Corinth, Phlious, Thespiai, Phokis, Opuntian Lokris, and other cities are overrun by the Persians at a huge cost.

464 BCE

Tegea is defeated by Sparta.

421 BCE

Argos organizes an alliance with Mantinea, Corinth, Elis, and Thebes against Athens and Sparta.

418 BCE

Sparta and their allies Tegea defeat Athens and their allies Argos, Mantineia, Kleonai, and Aegina in the Battle of Mantineia. As part of the truce, Argos gives up its alliance with Athens and Elis, Orchomenos is given to Sparta, and Athens is evicted from Epidauros.

418 BCE

Sparta deposits hostages at Orchomenos, but when the army of Athens approaches, they are quickly given up.

415 BCE

The Sicilian expedition of Athens against Syracuse departs. Ainos, Argos, Mantineia, and Elis provide support. Akragas remains neutral.

397 BCE

King Agis of Sparta falls sick at Heraia. He is brought back to Lakedaimon, where he dies.

394 BCE

The Temple of Athena Alea in Tegea burns down.

394 BCE
July

Sparta and their allies, including Sikyon and Tegea, defeat Athens and their allies at the Battle of Nemea. On Athens side are Thebes, Lokris Opuntii, and Corinth. With Sparta are Halieis, Sikyon, Epidauros, Troizen, and Hermione. Phlious remains neutral. Pellene fights on the side of Sparta against Thespiai.

393 BCE

Iphikrates of Athens defeats Phlious.

391 BCE

Iphikrates of Athens regains the long walls of Corinth and advances against Phlious and Sikyon.

387 BCE

Sparta uses the Peace of Antalkidas to break Mantineia into multiple villages.

385 BCE

Mantineia is defeated by Sparta and the city is destroyed and split up.

383 BCE

Phlious accepts exiles from their city under threat from Sparta.

380 BCE

Agesilaos of Sparta lays siege to Phlious.

379 BCE

Sparta finally takes Phlious after a siege of 20 months, resets the government, and creates a new constitution.

378 BCE

Kleitor is at war with Orchomenos.

378 BCE

Agesilaos executes an expedition against Thebes, with support from Sikyon and Phlious.

371 BCE

Megalopolis is founded by the Arkadian League as a counterweight to Sparta.

371 BCE

The Spartans in Tegea are expelled and Tegea joins the Arkadian League.

370 BCE

The territory of Heraia is laid waste by Arcadian cities due to Heraia’s support for Sparta.

368 BCE

The Theban general Epaminondas intervenes in Arcadia to support the Arcadian League and the newly founded city of Megalopolis. Heraia is pressured to join the Arcadian League but maintains a pro-Spartan stance.

367 BCE

Athenian forces under Chares relieve Phlious, which was besieged by Arkadians and Argives.

367 BCE

Sikyon helps Argos in a war against Phlious.

366 BCE

Arkadians under Aineas of Stymphalos march to Sikyon and send Euphron into flight.

362 BCE

Epaminondas and Boeotia defeat Sparta at the Battle of Mantinea. However, the death of Epaminondas would spell Thebes‘ downfall. On the side of Thebes were Tegea, Argos, Messene, Sikyon, and the Aenianians. On the side of Sparta were Heraia, Athens, Elis, and Mantinea.

362 BCE

Dissolution of the Arkadian League, which had previously founded Megalopolis.

353 BCE

Sparta attempts to destroy Megalopolis, but the city is rescued by Thebes.

331 BCE

King Agis III of Sparta revolts from Macedonia and besieges Megalopolis, forcing Antipater to act.

330 BCE
April

Antipater defeats the Spartans under Agis III at Megalopolis. The Macedonians take many casualties, but Agis is killed.

319 BCE

Polyperchon issues a decree to restore democratic governments in all cities to reduce the allure of Kassander. Those exiled due to this may return, with the exception of Amphissa, Pharkadon, Herakleia Pontika, Trikka, and Megalopolis.

317 BCE

Polyperchon fails to take Megalopolis in a siege, which emboldens other cities against him.

315 BCE

Apollonides, a general of Kassander, takes Stymphalos.

313 BCE

Orchomenos is taken by Kassander from Polyperchon.

303 BCE
280 BCE

he Achaean League is revived, with Aegira, Heraia, Patrai, and Dyme active members.

270 BCE

Aristodamos the Good is installed as Tyrant of Megalopolis by Antigonos II Gonatas.

262 BCE

The Spartans under Akrotatos invade Megalopolis, but are defeated by Aristodamos the Good. Akrotatos is killed.

252 BCE

Aristodamos the Good, the tyrant of Megalopolis, is assassinated and the city returns to a democracy.

245 BCE

Lydiades becomes tyrant of Megalopolis.

239 BCE

Orchomenos is taken by Kleomenes III of Sparta.

234 BCE

Lydiades steps down as tyrant of Megalopolis and joins the city to the Achaian League.

234 BCE

Orchomenos switches from the Aetolian League to the Achaian League.

226 BCE

The Spartans under King Kleomenes III defeat the Achaian League under Aratos of Sikyon (and including Argos and Megalopolis) in the Battle of Dyme.

225 BCE

Kleomenes of Sparta takes Pellene and Pheneos.

223 BCE

Mantineia is sacked by Antigonos III Doson. The city is handed over to Aratos of Sikyon, who repopulates it and renames it to Antigonia.

223 BCE

Orchomenos is occupied by the Macedonians under Antigonos III Doson, who places a garrison there.

222 BCE

Tegea is taken by Antigonos II Doson and annexed to the Achaian League.

220 BCE

Kleitor repulses an attack by the Aetolian League.

220 BCE

The Social War begins, pitting members of the Achaian League, including Aegira, Patrai, Dyme, Bura, Sikyon, Corinth, Megalopolis, Messenia, Argos, Elis, and Macedon, against Sparta under King Kleomenes III, who were supported by the Aetolian League and Athens.

219 BCE

Psophis is taken by Philip V.

218 BCE

All of Tegea, except the Akropolis, is taken by the Spartan general Lykorgos.

146 BCE

The Achaian League is defeated by Rome at the Battle of Skarpheia. Corinth is destroyed and Dyme, Patrai, Sikyon, Bura, Megalopolis, Thebes, Pellene, and Aegira come under the control of Rome.

125 CE

Hadrian restores the Temple of Poseidon Hippios in Mantinea and changes the city’s name back to Mantinea (from Antigoneia).