Tarikh (al-Tabari) 4862
Then the year 431 began
فِي هَذِهِ السَّنَةِ فِي جُمَادَى الْآخِرَةِ، وُلِدَ لِلْخَلِيفَةِ الْقَائِمِ بِأَمْرِ اللَّهِ وَلَدُهُ أَبُو الْعَبَّاسِ، وَهُوَ ذَخِيرُ الدِّينِ .
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