Also known as the Battle of the Eclipse, the Battle of Halys was fought between the Medes and the Lydians in 585 BCE at the Halys River in what is now Turkey. The final battle of a 15-year war between Alyattes II of Lydia and Cyaxares of Media, the fight ended abruptly due to a total solar eclipse, which was perceived as an omen that the gods wanted the war to end. After a truce, the river was declared the border of the two nations. How is the exact date of the ancient battle known? Discuss
Source: The Free Dictionary