Dating of revelation
The emperors from Julius Caesar through Claudius never heard of Christians.The first emperor to persecute Christians was Nero to whom Paul appealed his conviction.
For [it or he] was seen not very long time since, but almost in our day, towards the end of Domitian’s reign.”– Saint Irenaeus, The interpretive tradition has favored Option #1 (because that is the spin that Eusebius gave it).
(Ephesians -16) "Therefore I also, after I heard of your faith in the Lord Jesus and your love for all the saints, do not cease to give thanks for you, making mention of you in my prayers:" However, our Lord Jesus Christ rebukes the church in Ephesus for their lack of love.
(Revelation 2:4) "Nevertheless I have this against you, that you have left your first love." Since Paul's letter to the Ephesians was written in the early sixties, at least some time must have passed for the church to decline from praise to condemnation.
The numbers, symbols, and word pictures John used held political and religious significance to believers in Asia Minor.
These followers were familiar with the Old Testament prophetic writings of Isaiah, Ezekiel, Daniel, and other Jewish texts.