Five have already passed: the seizure, the Romans, the mighty grip, the moon, and the smoke.
خمس قد مضين: اللزام، والروم، والبطشة، والقمر، والدخان.
Bukhari narrated it in tafsir (2825), and Muslim in the description of the Resurrection, Paradise, and Hell (2798: 41), both through Amash, from Abu Duha Muslim bin Sabih, from Masruq, from Abdullah bin Masud, who said, then he mentioned it. The wording given is Bukhari's.The second view is that this is one of the major signs of the Hour, and the following hadith points to that.