Abu Bahriyyah, a Companion of Mu'adh bin Jabal narrated that the Prophet(s.a.w) said:"The great Malhamah, the conquest of Constantinople, and the coming of the Dajjal occur in (the span of) seven months
Grades by collection
Sahih al-Bukhari451
Sahih Muslim464
Sunan Abi Dawud151
Jami' at-Tirmidhi338
Sunan an-Nasa'i50
Sunan Ibn Majah437
Muwatta Malik8
al-Mustadrak (al-Hakim)627
Musnad Ahmad716
Sunan ad-Darimi21
Kitab al-Fitan (Nu'aym ibn Hammad)1,988
SahihHasanDa'if (weak)Ungraded
Bukhari and Muslim are sahih by inclusion. For the others the bar follows al-Albani's verdict where he graded, then Zubair Ali Zai. Every verdict is on each card.