20 And when you may see Jerusalem shut up by the armies, then know that her desolation is nigh.
Luke 21:20 Cross References - Godbey
Matthew 24:15
15 Then when you may see the abomination of desolation, spoken of by Daniel the prophet, standing in the holy place (let him that readeth know),
Mark 13:14
14 And when you may see the abomination of desolation standing where it ought not (let him that readeth know), then let those in Judea fly to the mountains:
Luke 19:43
43 Because the days will come upon thee, and thine enemies will cast a fortification about thee, and surround thee, and press in on thee from all directions,
Luke 21:7
7 And they asked Him, saying, Teacher, when then shall these things be? and what shall be the sign when these things may be about to come to pass?