Surah Al-Haqqah 69:15

فَيَوْمَئِذٍ وَقَعَتِ ٱلْوَاقِعَةُ

Then on that Day, the Occurrence [i.e., Resurrection] will occur,

Translation: Saheeh International

Tafsir

then on that day the imminent Event will come to pass the Resurrection will take place

Excerpt from Tafsir al-Jalalayn, commentary on 69:15, via Quran.com. The reader has the full commentary and 9 more tafsirs.