Surah Al-Waqi'ah 56:1
إِذَا وَقَعَتِ ٱلْوَاقِعَةُ
When the Occurrence occurs,
Translation: Saheeh International
Tafsir
When the imminent Event comes to pass when the Resurrection takes place
Excerpt from Tafsir al-Jalalayn, commentary on 56:1, via Quran.com. The reader has the full commentary and 9 more tafsirs.