Yahya bin Bukayr narrates: Sayyiduna Salamah bin al-Akwa' (may Allah be pleased with him), whose kunyah was Abu al-Abbas, and Sayyiduna Abu Sa'id al-Khudri (may Allah be pleased with him) both died in the year 74 AH. It is also said that Sayyiduna Salamah bin al-Akwa' (may Allah be pleased with him) was eighty years old at the time of his death.
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6190