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 do those born of God not do?
How was the prophecy given?
What question was asked in the hearing of the prophet?
How many lawgivers are there?
What did the people once again promise to do?
Under what authority were its decrees published?
What promise has God made to bereaved mothers?

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