Sahih al-Bukhari 5580
صحيح البخاري#5580SahihNarrated Anas:"Alcoholic drinks were prohibited at the time we could rarely find wine made from grapes in Medina, for most of our liquors were made from unripe and ripe dates
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 74:6