Anas b. Malik is reported to have said that Allah's Messenger (ﷺ) had forbidden to mixture fresh dates and unripe dates and then drinking (the wine prepared out of it), and that was their common intoxicant when liquor was prohibited.
Reference | : Sahih Muslim 1981 |
In-book reference | : Book 36, Hadith 11 |
USC-MSA web (English) reference | : Book 23, Hadith 4888 |
(deprecated numbering scheme) |