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 completely does God wish to separate sin from us?
What is to be one of the prominent sins of the last days?
What did ancient Babylon do to all the nations?
What is sin?
Who is Lord of the Sabbath?
Why did Christ, in the parable, reprove the man who hid his talent?
What will be the first plague, and upon whom will it fall?

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