There is much we don't know about God's timing for end-time events simply because we won't know until they happen. We have what the Bible says and we take that information and use that as a lens by which we view current events through, which is known as exegesis. The reverse of this tries to fit current events into the pages of the Bible, which is known as eisegesis. In other words, they are assuming a correlation and implying that xyz must mean this passage, because of abc. That is what we should avoid at all cost from doing. What we do know, is that God's word is sure, and it will come to pass on God's time.
Long ago, pastors, priests, teachers, and theologians realized a convenient trick that if you don't understand something, or it doesn't fit your agenda, you can simply make it allegorical, or spiritual, and relegate it to the "pie in the sky" section of their mental filing cabinets. Out of sight, out of mind right?
We have to go with what we know, and then, use Scripture to interpret what we see in the here and now...not the other way around. My intent here is to simply go with what we actually know and what we can know with a high degree of certainty. Some of these events are yet future, but we can simply look around today and see things are unfolding exactly, as God's word said it would and follow those to their logical and scriptural conclusions.
Read the list of what we know here.