Cross-references Explore similar Bible verses on Daniel 1:21 in English Standard Version "And Daniel was there until the first year of King Cyrus." Da 6:28 So this Daniel prospered during the reign of Darius and the reign of Cyrus the Persian. Da 10:1 In the third year of Cyrus king of Persia a word was revealed to Daniel, who was named Belteshazzar. And the word was true, and it was a great conflict. And he understood the word and had understanding of the vision.