Daniel 1:21 also says Daniel remained until Cyrus's first year — this bookends his career.

Daniel 5:28 prophesied the kingdom given to Medes and Persians; here Daniel prospers under those very rulers, showing the prophecy's fulfillment.

Daniel 8:3's ram with two horns symbolizes Medo-Persia; Daniel 6:28 names Darius (Mede) and Cyrus (Persian) as the rulers under whom he thrived.

Daniel 9:1 also mentions Darius the Mede, providing the same historical context for Daniel's prosperity under his reign.

Daniel 10:1 dates a vision to Cyrus's third year; Daniel 6:28 notes Daniel prospered under Cyrus, linking the same Persian king.

Isaiah 44:28 prophesies Cyrus by name as God's shepherd — Daniel 6:28 records Daniel living under that same Cyrus.

2 Chronicles 36:22 notes Cyrus's first year and his decree to rebuild the temple — same time period as Daniel's prosperity.

2 Chronicles 36:23 quotes Cyrus's proclamation about rebuilding the temple — the same Cyrus king under whom Daniel prospered.

Ezra 1:1 also marks the first year of Cyrus, linking Daniel's story to the return from exile.

Ezra 1:2 quotes Cyrus's decree — Daniel's prosperity under Cyrus sets the stage for the exiles' return.

Isaiah 45:1 calls Cyrus God's anointed — Daniel 6:28 shows Daniel thriving under this foreign king God used.