The word(s) "assembled" appears 3 time(s) in 3 verse(s) in Quran in Abdullah Yusuf Ali translation.

(1) And an announcement from Allah and His Messenger, to the people (assembled) on the day of the Great Pilgrimage,- that Allah and His Messenger dissolve (treaty) obligations with the Pagans. If then, ye repent, it were best for you; but if ye turn away, know ye that ye cannot frustrate Allah. And proclaim a grievous penalty to those who reject Faith.

(سورة التوبة, At-Tawba, Chapter #9, Verse #3)
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(2) Moses said: "Your tryst is the Day of the Festival, and let the people be assembled when the sun is well up."

(سورة طه, Taa-Haa, Chapter #20, Verse #59)
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(3) And the people were told: "Are ye (now) assembled?-

(سورة الشعراء, Ash-Shu'araa, Chapter #26, Verse #39)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)