Abdullah bin Masud reported,

The moon split while we were with the Prophet ﷺ, and it became two pieces. He said to us, "Bear witness, bear witness."

Bukhari 4865

Sahih

حدثنا علي بن عبد الله حدثنا سفيان أخبرنا ابن أبي نجيح عن مجاهد عن أبي معمر

عن عبد الله قال

انشق القمر ونحن مع النبي ﷺ فصار فرقتين فقال لنا اشهدوا اشهدوا

البخاري 4865صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Bukhari
Book
Tafsir
Chapter
Moon has been split, and if they see a sign, they turn away
Numbering
Darussalam 4865
Bukhari 4865