Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:2558Muḥammad b. ʿAlī al-Madīnī > Abū Zayd ʿUmar b. Shabbah > Abū Nuʿaym

[Machine] And in it (the year), Al-Hasan ibn Ali and Saad ibn Abi Waqqas died in the year fifty-eight.  

الطبراني:٢٥٥٨حَدَّثَنَا مُحَمَّدُ بْنُ عَلِيٍّ الْمَدِينِيُّ ثنا أَبُو زَيْدٍ عُمَرُ بْنُ شَبَّةَ عَنْ أَبِي نُعَيْمٍ قَالَ

«وَفِيهَا مَاتَ الْحَسَنُ بْنُ عَلِيٍّ وَسَعْدُ بْنُ أَبِي وَقَّاصٍ سَنَةَ ثَمَانٍ وَخَمْسِينَ»