Darius death in 486 BCE did not end Persia’s Ambitions in Greece his successor xerx ey was determined to avenge the defeat at Marathon and bring all of Greece under Persian rule in 480 b.c. Xerxes launched the second Persian Invasion assembling one of the largest military forces ever seen in the ancient world the Persian Army and Navy drawn from all corners of the Empire marched toward Greece in a campaign of overwhelming Force faced with the Persian Onslaught many Greek city states particularly