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.

In what words was this promise renewed to Abraham?
Upon what condition may one expect answers to prayer?
By what are men sanctified?
How did Jesus show His loyalty to God?
By what law is the knowledge of sin?
What prophecy had Paul upon which to base his statement?
To whom do those things which are revealed belong?

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