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.

What rendered it possible for God to treat sinners thus?
What fate awaits blind teachers and their followers?
What was given into the hands of the power represented by the little horn?
What was to he accomplished at the close of the seventy weeks?
6. What influence do the Bible and history show working in the church immediately after apostolic days?
How is their watch-care over God's people expressed?
To what place were the angels that sinned cast?

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