Surah Aal-i-Imraan 3:166 — سُورَةُ آلِ عِمۡرَانَ

وَمَآ أَصَٰبَكُمْ يَوْمَ ٱلْتَقَى ٱلْجَمْعَانِ فَبِإِذْنِ ٱللَّهِ وَلِيَعْلَمَ ٱلْمُؤْمِنِينَ ﴿166﴾

That which befell you, on the day when the two armies met, was by permission of Allah; that He might know the true believers;

Surah Aal-i-Imraan (The Family of Imraan), ayah 166 of 200. Recited by Maher Al-Muaiqly (ماهر المعيقلي).