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280 BCE 270 BCE 260 BCE 250 BCE 240 BCE 230 BCE 220 BCE 210 BCE 200 BCE 190 BCE 180 BCE 170 BCE 160 BCE 150 BCE
280 BCE: Founding of the Achaean League in the Peloponnese of Greece.
255 BCE: The position of strategos is introduced to lead the representatives of the Achaean League.
251 BCE: Sicyon joins the Achaean League in Greece.
243 BCE: Corinth is attacked and brought into the Achaean League.
235 BCE: Megelopolis joins the Achaean League.
222 BCE: The Achaean League and Antigonos III of Macedon defeat Sparta at Sellasia.
212 BCE - 205 BCE: The Achaean League sides with Macedon against Rome in the First Macedonian War.
200 BCE - 196 BCE: The Achaean League sides with Rome in the Second Macedonian War.
191 BCE: The Achaean League signs a treaty of alliance with Rome.
146 BCE: Rome sacks Corinth and dissolves the Achaean league. Greece is ruled by Rome.
146 BCE: Open war breaks out between Rome and the Achaean League.