Megaris
560 BCE
Herakleia Pontika founded by colonists from Megara and named after Herakles, who it was believed entered the underworld through a nearby cave.
480 BCE
August 7
August 7
479 BCE
459 BCE
433 BCE
338 BCE
323 BCE
266 BCE
Antigonos II blockades Athens and destroys a temple to Poseidon between it and Megara. Ptolemy II sends a fleet to break the blockade.