In the first year of Darius son of Xerxes, a Mede by descent, who was made ruler over the kingdom of the Chaldeans--

Ezra 4:6
At the beginning of the reign of Xerxes, an accusation was lodged against the people of Judah and Jerusalem.

Esther 1:1
This is what happened in the days of Xerxes, who reigned over 127 provinces from India to Cush.

Daniel 1:4
young men without blemish, handsome, gifted in all wisdom, knowledgeable, quick to understand, and qualified to serve in the king's palace--and to teach them the language and literature of the Chaldeans.

Daniel 5:31
and Darius the Mede received the kingdom at the age of sixty-two.

Daniel 11:1
"And I, in the first year of Darius the Mede, stood up to strengthen and protect him.

In the first year of Darius the son of Ahasuerus, of the seed of the Medes, which was made king over the realm of the Chaldeans;