mourning

What is Daniel mourning about in Daniel 10:2?

What is Daniel mourning about in Daniel 10:2?

(KJV) Daniel 10:1-5

1 In the third year of Cyrus king of Persia a thing was revealed unto Daniel, whose name was called Belteshazzar; and the thing was true, but the time appointed was long: and he understood the thing, and had under…