This is the very area to which the Revelation was given.
This strongly supports the credibility of Irenaeus and his statement.
Significantly, no other tradition relating to the date of Revelation developed or gained a following in this part of the world.
Irenaeus was discipled in the faith by Polycarp who was discipled by the Apostle John.
Thus, there is a direct link between the one who wrote Revelation and Irenaeus.
1:1, 3, 11, 19; 22:6-10, 16, 18-20) and if it was fulfilled by August a.d. 65 or 66 for the preterist interpretation to even be a possibility.
Preterist Ken Gentry has noted this major weakness when he said of fellow early date advocate David Chilton, " if it could be demonstrated that Revelation were written 25 years after the Fall of Jerusalem, Chilton's entire labor would go up in smoke."  Actually, all one would have to do is to show that Revelation was written any time after the destruction of Jerusalem.
There are two lines of evidence: external (evidence from outside the Revelation) and internal (evidence from inside the Revelation).
External Evidence Today, the overwhelming consensus of scholarship believes that Revelation was written well after a.d. Most have concluded that Revelation was written around a.d. We will not, however, incur the risk of pronouncing positively as to the name of Antichrist; for if it were necessary that his name should be distinctly revealed in this present time, it would have been announced by him who beheld the apocalyptic vision.