Sayyiduna Anas رضي الله عنه narrates: Allah's Messenger (ﷺ) said,
"From among the signs of the Hour/Qiyaamah are (the following):
(1) Religious knowledge will be taken away.
(2) Ignorance will prevail.
(3) Drinking of Alcohol will become common.
(4) Zina/Adultery/fornication will become widespread.
(Bukhari)