During the 5th century BC, Greece and Persia were at war with one another with Persia attempting to conquer Greece. One of the main turning points of the war was the Battle of Marathon, which was when the Persian armies were defeated by the Greek army and driven out of Greece for a decade. The battle unfolded as the Persian army tried gaining a foothold on the Greek mainland. Then they were ambushed by the Greek army and forced back into the sea. Since the Gradaian Empire will be invaded by an army from the sea, I am thinking of drawing inspiration for one of the third fantasy book’s battles from the Battle of Marathon.
