Daniel 6:1
It pleased Darius to set over the kingdom an hundred and twenty princes, which should be over the whole kingdom;
Cross-reference
Daniel 5:31
Historical context
In Daniel 5:31, Darius receives the kingdom; here he appoints satraps, showing immediate succession.
Daniel 9:1
Historical context
Daniel 9:1 identifies the same Darius the Mede who appointed the satraps here, providing historical context for the reign.
Daniel 2:48
Parallel
In Daniel 2:48, Nebuchadnezzar also appoints Daniel and others to high positions, showing a pattern of kings elevating administrators.
Esther 1:1
Historical context
In Esther 1:1, Ahasuerus ruled 127 provinces—paralleling Darius's 120 satraps over his kingdom.