The march of the Ten Thousand to Cunaxa, a large army of Greek mercenaries which helped Cyrus the Younger to fight his brother the Persian King Artaxerxes II (401 b.C.). Related at Xenophon's Anabasis (book 1).

This path is very approximative, and can be completed with the rest of the route made by the army. So corrections are wellcome. The source map is this one (a higher resolution version can be downloaded).