The people of Mecca asked Allah's Messenger (ﷺ) to show them a miracle. So he showed them the moon
split in two halves between which they saw the Hira' mountain. - Hadith Al Bukhari 3868 (islam)
The Hour has come near, and the moon has split [in two]. - Quran Al-Qamar(The Moon) 54:1 (islam)
Narrated Ibn Masud:
During the lifetime of Allah's Messenger (ﷺ) the moon was split into two parts; one part remained over the mountain, and the other part went beyond the mountain. On that, Allah's Messenger (ﷺ) said, "Witness this miracle." - Hadith Al Bukhari 4864 (islam)
Hadith Al Bukhari 3638 (en en2) The moon was split into two parts during the lifetime of the Prophet.
Chapter: The miracle of the splitting of the moon
Narrated Ibn `Abbas:
The moon was split into two parts during the lifetime of the Prophet. - Hadith Al Bukhari 3638 (islam)
Hadith Al Bukhari 3636 (en en2) During the lifetime of the Prophet (pbuh) the moon was split into two parts
Chapter: The miracle of the splitting of the moon
Narrated `Abdullah bin Masud:
During the lifetime of the Prophet (ﷺ) the moon was split into two parts and on that the Prophet (ﷺ) said, "Bear witness (to thus). - Hadith Al Bukhari 3636 (islam)
Chapter: The miracle of the splitting of the moon
Narrated Anas:
That the Meccan people requested Allah's Messenger (ﷺ) to show them a miracle, and so he showed them the splitting of the moon. - Hadith Al Bukhari 3637 (islam)