Sunan Abi Dawud Jihad (Kitab Al-Jihad) al-Walid bin Muslim al-Quraishi الوليد بن مسلم القرشي Jubayr bin Nufayr al-Hadrami Mu'ml bin al-Fadl مؤمل بن الفضل Zayd bin Artah زيد بن أرطاة Da'if Simak reported on the authority of a man from his people, on the authority of another man from them: I saw that the standard of the Messenger of Allah (ﷺ) was yellow. https://parallelquran.com/hadith/sunan-abi-dawud-2593/ Sunan Abi Dawud Battles (Kitab Al-Malahim) Abu al-Darda Hisham bin 'Ammar bin Nasayr هشام بن عمار بن نصير Jubayr bin Nufayr al-Hadrami Yahya bin Hamza bin Waqd يحيى بن حمزة بن واقد Zayd bin Artah زيد بن أرطاة Da'if The Prophet (ﷺ) said: The time between the great war and the conquest of the city (Constantinople) will be six years, and the Dajjal (Antichrist) will come forth in the seventh. Abu Dawud said: This is sounder than the tradition narrated by Isa (bin Yunus) https://parallelquran.com/hadith/sunan-abi-dawud-4296/