The Battle of Pteria (Ancient Greek: Πτερία) was fought in 547 BC between the Persian forces of Cyrus the Great and the Lydian forces of Croesus. Both armies suffered heavy casualties in this indecisive battle.
^Schmitt, Rüdiger; Miller, Margaret C.; Duchesne-Guillemin, Jacques; Shaki, Mansour; Bichler, Reinhold; Rollinger, Robert; Boucharlat, Rémy; Rapin, Claude; Davis, Dick (2020-08-20), "GREECE", Encyclopaedia Iranica Online, Brill, retrieved 2024-03-12, When the Lydian and the Persian army confronted each other in Cappadocian Pteria (Herodotus 1.75 ff.), the battle ended inconclusively the same evening.