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 have all been reckoned under sin?
What are the evidences that one has been born of God?
With what was He filled?
What will be the fate of the one who curseth his father or his mother?
Why is the execution of the judgment given to Christ?
What provision has been made so that we may keep God's law?
When had God said this?

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