Daniel 5:31 records Darius the Mede receiving the kingdom, directly corroborating the historical context of Daniel's prayer.

Daniel 6:1 continues with Darius appointing satraps, showing the same king's administrative actions after his conquest.

Daniel 6:28 summarizes Daniel's prosperity under Darius's reign, confirming the king's identity and period.

Daniel 11:1 references the same first year of Darius the Mede, from the angel's perspective, strengthening the timeline.

Daniel 5:28 interprets the handwriting 'Peres' as the kingdom being given to Medes and Persians, which Darius's reign fulfills.

Jeremiah 51:28 calls the Medes to conquer Babylon, a prophecy fulfilled when Darius the Mede took the kingdom.