וְדָנִיֵּ֣אל דְּנָ֔ה הַצְלַ֖ח בְּמַלְכ֣וּת דָּרְיָ֑וֶשׁ וּבְמַלְכ֖וּת כּ֥וֹרֶשׁ פרסיא [פָּרְסָאָֽה׃] (פ)
So this Daniel prospered in the reign of Darius, and in the reign of Cyrus the Persian.
Find Talmudic references to Daniel 6:29: , passages from the Talmud Bavli and Yerushalmi.