(1) باب ذِكْرِ الْفِتَنِ وَدَلاَئِلِهَا
Narrated Abdullah ibn Mas'ud:
The Prophet (ﷺ) said: four (majestic) trials (fitnahs) will take place among this community, and in their end there will be destruction. (RU)
Reference (RU): Sunan Abi Dawud 4241 (RU)
In-book reference (RU): Book 37, Hadith 2 (RU)
English translation (RU): Book 36, Hadith 4229 (RU)