Daniel 10:1-2

Young's Literal Translation

10 In the third year of Cyrus king of Persia, a thing is revealed to Daniel, whose name is called Belteshazzar, and the thing [is] true, and the warfare [is] great: and he hath understood the thing, and hath understanding about the appearance.

² `In those days, I, Daniel, have been mourning three weeks of days;