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
nasai:5543 – Sūwayd b. Naṣr > ʿAbdullāh > Ḥumayd al-Ṭawīl > Anas b. Mālik

"When Khamr was forbidden, their drink was (made from) unripe dates and dried dates."  

النسائي:٥٥٤٣ – أَخْبَرَنَا سُوَيْدُ بْنُ نَصْرٍ قَالَ أَنْبَأَنَا عَبْدُ اللَّهِ عَنْ حُمَيْدٍ الطَّوِيلِ عَنْ أَنَسِ بْنِ مَالِكٍ قَالَ

حُرِّمَتِ الْخَمْرُ حِينَ حُرِّمَتْ وَإِنَّهُ لَشَرَابُهُمُ الْبُسْرُ وَالتَّمْرُ  

See similar narrations below:

Collected by Nasāʾī's Kubrá
nasai-kubra:5034 – Sūwayd b. Naṣr > ʿAbdullāh > Ḥumayd al-Ṭawīl > Anas

"When Khamr was forbidden, their drink was (made from) unripe dates and dried dates." (Using translation from Nasāʾī 5543)  

الكبرى للنسائي:٥٠٣٤ – أَخْبَرَنَا سُوَيْدُ بْنُ نَصْرٍ قَالَ أَخْبَرَنَا عَبْدُ اللهِ عَنْ حُمَيْدٍ الطَّوِيلِ عَنْ أَنَسٍ قَالَ

«حُرِّمَتِ الْخَمْرُ حِينَ حُرِّمَتْ وَإِنَّهُ لَشَرَابُهُمُ الْبُسْرُ وَالتَّمْرُ»