The classic tale of Xenophon's long march through enemy territory from Persia (Iran), through present-day Iraq and Turkey, home to Greece. According to Wikipedia: "Xenophon (ca. 431 – 355 BC), son of Gryllus, of the deme Erchia of Athens, also known as Xenophon of Athens and Xenophon of Thebes, was a soldier, mercenary and a contemporary and admirer of Socrates. He is known for his writings on the history of his own times, preserving the sayings of Socrates, and the life of ancient Greece."