–I wonder about the people who heard Jesus make this declaration, less than half a century later. Did those who were still on this earth remember?
Read about the destruction of the Temple here: http://www.eyewitnesstohistory.com/jewishtemple.htm
The resource which is cited in this article is a good one.
Who is Josephus: http://en.wikipedia.org/wiki/Josephus
Here is a link to the works of Flavius Josephus: http://www.biblestudytools.com/history/flavius-josephus/
Today is a good day to be a student.