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.

How was the earth itself affected by Adam's sin ?
What was required in order to effect this reconciliation?
What does God say the Sabbath will be to those who hallow it, or keep it holy?
What, through the prophet Isaiah, does the Lord call the Sabbath?
In His first recorded discourse, what did Christ say of the law?
What name is given to the second state of the church?
But are not the righteous dead in heaven?

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