In Daniel 11:1 through 12:4, the one who was speaking to Daniel in chapter 10 tells him what is written in the book of truth. This is as he said he would do in [Daniel 10:21](../10/21.md).
Darius was the King of the Medes. "The first year" refers to the first year that he was king. Alternate translation: "In the first year of the reign of Darius" (See: [[rc://en/ta/man/jit/figs-explicit]])