Iblis (Shetaan) cried loudly four times.

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1) When Allah declared him as cursed.

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2) When he was thrown out.

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3) When Muhammad ﷺ was born (Because he could see his failure).

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4) When Surah al-Fatiha was revealed.

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Reference: Ibn Kathir in Al Bidayah wan-Nihayah. Volume 2, Page No 166.