Joshua 12:21 Midrash

מֶ֤לֶךְ תַּעְנַךְ֙ אֶחָ֔ד מֶ֥לֶךְ מְגִדּ֖וֹ אֶחָֽד׃

the king of Taanach, one; the king of Megiddo, one;

Read midrashic interpretation of Joshua 12:21: and classical rabbinic exegesis.