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.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī

عَلِيمٌ الْكِنْدِيُّ، عَنْ سَلْمَانَ ؓ

tabarani:6174 – Ibrāhīm b. Muḥammad b. Barrah al-Ṣanʿānī And al-Ḥasan b. ʿAbd al-Aʿlá al-Tursī > ʿAbd al-Razzāq > al-Thawrī > Salamah b. Kuhayl > Abū Ṣādiq > ʿAlīm > Salmān

[Machine] The first of this Ummah to embrace Islam was Ali ibn Abi Talib.  

الطبراني:٦١٧٤ – حَدَّثَنَا إِبْرَاهِيمُ بْنُ مُحَمَّدِ بْنِ بَرَّةَ الصَّنْعَانِيُّ وَالْحَسَنُ بْنُ عَبْدِ الْأَعْلَى التُّرْسِيُّ قَالَا أَنَا عَبْدُ الرَّزَّاقِ أَنَا الثَّوْرِيُّ عَنْ سَلَمَةَ بْنِ كُهَيْلٍ عَنْ أَبِي صَادِقٍ عَنْ عَلِيمٍ عَنْ سَلْمَانَ ؓ قَالَ

«أَوَّلُ هَذِهِ الْأُمَّةِ وُرُودًا عَلَى نَبِيِّهَا ﷺ أَوَّلُهَا إِسْلَامًا عَلِيُّ بْنُ أَبِي طَالِبٍ»  

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Collected by Suyūṭī
suyuti:355-4b – Salmān
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السيوطي:٣٥٥-٤b –

"عَنْ سَلْمَانَ قَالَ: إِنَّ أَوَّلَ هَذِه الأُمَّة وُرُودًا عَلَى نَبِيِّهَا أَوَّلُهَا إِسْلَامًا، عَلِىُّ ابْنُ أَبِي طَالِبٍ".  

[ش] ابن أبى شيبة