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.

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After Pentecost, how was the gospel preached?
Of what besides a knowledge of God as Creator, is the Sabbath a sign?
18. Does Christ anywhere in the Scriptures ever claim any other day of the week than the seventh as His?
What does He say He will bring with Him when He comes?
How readily will their wants be supplied?
What peaceful condition will reign throughout the earth then?

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