Sikyonia
480 BCE
August 7
August 7
394 BCE
July
July
362 BCE
July 4
July 4
300 BCE
Antigonos II installs the tyrant Kleon at Sikyon.
264 BCE
Antigonos II installs the tyrant Abantidas at Sikyon.
252 BCE
Antigonos II installs the tyrant Paseas at Sikyon.
251 BCE
251 BCE
Antigonos II installs the tyrant Nikokles at Sikyon.
251 BCE
Aratos of Sikyon removes the tyrant Nikokles, who Antigonos II had installed. Antigonos II attempts to bribe Aratos but is unsuccessful.
243 BCE
Aratos of Sikyon takes Acrocorinth. The inhabitants of Corinth rise up against Antigonos II.
228 BCE
Aratos of Sikyon takes the Acrocorinth and frees Argos. Xenon steps down in Hermione.
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.
220 BCE
200 BCE-
197 BCE
197 BCE