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The account of Darius ( Dara) the Elder and his son Darius the Younger. The account of alexander ( Dhu al-Qarnayn)
Excerpt from Tabari, there's a clear discrepancy here, because Dhu Qarnayn is Musa peace be upon him, there's some people that cannot understand Surah 18, and they need to understand the context of that sort of information, because there's no evidence for alexander doing this, because Moses peace be upon him lived two different ages, the Bronze Age, and the Iron Age, that's what the verses of that Surah trying to say.