Surah Ar-Rum 30:2
غُلِبَتِ ٱلرُّومُ
The Byzantines have been defeated
Translation: Saheeh International
Tafsir
The Byzantines — who are among the People of the Scripture — have been vanquished; the Persians vanquished them and they are not people of a scripture but worship graven images. …
Excerpt from Tafsir al-Jalalayn, commentary on 30:2, via Quran.com. The reader has the full commentary and 9 more tafsirs.