At what time was Daniel's second vision given?

Answer

"In the first year of Belshazzar king of Babylon Daniel had a dream and visions of his head upon his bed:
then he wrote the dream, and told the sum of the matters." Dan. 7:1.
NOTE - That is, in the first year of Belshazzar's office as associate king with his father
Nabonadius, or 540 BC.

Why cannot the natural man receive the things of the Spirit?
What is the duty of every child?
Notwithstanding the lamb like appearance of this power, what is it ultimately to do?
When was the union of church and state formed from which the Papacy grew?
Where did John, in vision, see the saints?
What comes to all men as the result of the Fall?
To what place were the angels that sinned cast?

Questions & Answers are from the book Bible Readings for the Home Circle