Daniel 6:28

So this Daniel prospered during the kingdom of Darius and during the kingdom of Cyrus the Persian.

Daniel 1:21

And Daniel was [there] until the first year of Cyrus the king.

Isaiah 44:28-1

who says of Cyrus, 'My shepherd,' and he shall carry out all my wishes; and saying of Jerusalem, 'It shall be rebuilt,' and [the] temple, 'It shall be founded.'"

2 Chronicles 36:22-2

And in the first year of Cyrus, the king of Persia, in order to fulfill the word of Yahweh by the mouth of Jeremiah, Yahweh stirred up the spirit of Cyrus, king of Persia, so that he {made a proclamation} throughout all his kingdom and also in writing, saying:

Daniel 10:1

In the third year of Cyrus [the] king of [the] Persians, a word was revealed to Daniel, who was called [by] his name Belteshazzar, and the word [was] reliable and [it concerned] a great tribulation, and he understood the word and {he received understanding}.

Treasury of Scripture Knowledge

Summary

So this Daniel prospered in the reign of Darius, and in the reign of Cyrus the Persian.

General references

Bible References

And in

Daniel 1:21
And Daniel was [there] until the first year of Cyrus the king.
2 Chronicles 36:22
And in the first year of Cyrus, the king of Persia, in order to fulfill the word of Yahweh by the mouth of Jeremiah, Yahweh stirred up the spirit of Cyrus, king of Persia, so that he {made a proclamation} throughout all his kingdom and also in writing, saying:
Ezra 1:1
In the first year of Cyrus king of Persia, in order to accomplish the word of Yahweh by the mouth of Jeremiah, Yahweh stirred the spirit of Cyrus king of Persia and he sent a message to all of his kingdom and also [put the message] in writing:
Isaiah 44:28
who says of Cyrus, 'My shepherd,' and he shall carry out all my wishes; and saying of Jerusalem, 'It shall be rebuilt,' and [the] temple, 'It shall be founded.'"
Isaiah 45:1
Thus says Yahweh to his anointed one, to Cyrus, whose right hand I have grasped to subjugate nations before him, and I uncover [the] loins of kings to open doors before him, and [the] gates shall not be shut:

General references

Daniel 1:21
And Daniel was [there] until the first year of Cyrus the king.