A group of Bani Tamim came to the Prophet (and requested him to appoint a governor for them). Abu Bakr said, "Appoint Al-Qaqa bin Mabad." ʿUmar said, "Appoint Al-Aqra' bin Habeas." On that Abu Bakr said (to ʿUmar). "You did not want but to oppose me!" ʿUmar replied "I did not intend to oppose you!" So both of them argued till their voices grew loud. So the following Verse was revealed: 'O you who believe! Be not forward......' (49.1)  

أَنَّهُ قَدِمَ رَكْبٌ مِنْ بَنِي تَمِيمٍ عَلَى النَّبِيِّ ﷺ فَقَالَ أَبُو بَكْرٍ أَمِّرِ الْقَعْقَاعَ بْنَ مَعْبَدٍ وَقَالَ عُمَرُ بَلْ أَمِّرِ الأَقْرَعَ بْنَ حَابِسٍ فَقَالَ أَبُو بَكْرٍ مَا أَرَدْتَ إِلَى أَوْ إِلاَّ خِلاَفِي فَقَالَ عُمَرُ مَا أَرَدْتُ خِلاَفَكَ فَتَمَارَيَا حَتَّى ارْتَفَعَتْ أَصْوَاتُهُمَا فَنَزَلَ فِي ذَلِكَ {يَا أَيُّهَا الَّذِينَ آمَنُوا لاَ تُقَدِّمُوا بَيْنَ يَدَىِ اللَّهِ وَرَسُولِهِ} حَتَّى انْقَضَتِ الآيَةُ  

ʿAbdullah bin Az-Zubair said that a group of riders belonging to Banu Tamim came to the Prophet, Abu Bakr said (to the Prophet ﷺ ), "Appoint Al-Qa'qa bin Mabad bin Zurara as (their) ruler." ʿUmar said (to the Prophet). "No! But appoint Al-Aqra bin HʿAbis." Thereupon Abu Bakr said (to ʿUmar). "You just wanted to oppose me." ʿUmar replied. "I did not want to oppose you." So both of them argued so much that their voices became louder, and then the following Divine Verses were revealed in that connection:-- "O you who believe ! Do not be forward in the presence of Allah and His Apostle..." (till the end of Verse)...(49.1)  

أَنَّهُ قَدِمَ رَكْبٌ مِنْ بَنِي تَمِيمٍ عَلَى النَّبِيِّ ﷺ فَقَالَ أَبُو بَكْرٍ أَمِّرِ الْقَعْقَاعَ بْنَ مَعْبَدِ بْنِ زُرَارَةَ قَالَ عُمَرُ بَلْ أَمِّرِ الأَقْرَعَ بْنَ حَابِسٍ قَالَ أَبُو بَكْرٍ مَا أَرَدْتَ إِلاَّ خِلاَفِي قَالَ عُمَرُ مَا أَرَدْتُ خِلاَفَكَ فَتَمَارَيَا حَتَّى ارْتَفَعَتْ أَصْوَاتُهُمَا فَنَزَلَ فِي ذَلِكَ {يَا أَيُّهَا الَّذِينَ آمَنُوا لاَ تُقَدِّمُوا} حَتَّى انْقَضَتْ  

A group from Banu Tamim came to the Prophet [SAW]. Abu Bakr said: "Appoint Al-Qa'qa' bin Ma'bad (as commander or governor)," and 'Umar said: "No, (appoint) Al-Aqra' bin Habis." They argued until they began to raise their voices, then the words were revealed: "O you who believe! Make not (a decision) in advance before Allah and His Messenger..." until the end of the Verse: "And if they had patience till you could come out to them, it would have been better for them."  

أَخْبَرَهُ أَنَّهُ قَدِمَ رَكْبٌ مِنْ بَنِي تَمِيمٍ عَلَى النَّبِيِّ ﷺ قَالَ أَبُو بَكْرٍ أَمِّرِ الْقَعْقَاعَ بْنَ مَعْبَدٍ وَقَالَ عُمَرُ ؓ بَلْ أَمِّرِ الأَقْرَعَ بْنَ حَابِسٍ فَتَمَارَيَا حَتَّى ارْتَفَعَتْ أَصْوَاتُهُمَا فَنَزَلَتْ فِي ذَلِكَ {يَا أَيُّهَا الَّذِينَ آمَنُوا لاَ تُقَدِّمُوا بَيْنَ يَدَىِ اللَّهِ وَرَسُولِهِ} حَتَّى انْقَضَتِ الآيَةُ {وَلَوْ أَنَّهُمْ صَبَرُوا حَتَّى تَخْرُجَ إِلَيْهِمْ لَكَانَ خَيْرًا لَهُمْ}  

A group from Banu Tamim came to the Prophet [SAW]. Abu Bakr said: "Appoint Al-Qa'qa' bin Ma'bad (as commander or governor)," and 'Umar said: "No, (appoint) Al-Aqra' bin Habis." They argued until they began to raise their voices, then the words were revealed: "O you who believe! Make not (a decision) in advance before Allah and His Messenger..." until the end of the Verse: "And if they had patience till you could come out to them, it would have been better for them." (Using translation from Nasāʾī 5386)  

أَخْبَرَهُ أَنَّهُ قَدِمَ الرُّكَبُ مِنْ بَنِي تَمِيمٍ عَلَى النَّبِيِّ ﷺ قَالَ أَبُو بَكْرٍ ؓ أَمِّرِ الْقَعْقَاعَ بْنَ مَعْبَدٍ وَقَالَ عُمَرُ بَلْ أَمِّرِ الْأَقْرَعَ بْنَ حَابِسٍ فَتَمَارَيَا حَتَّى ارْتَفَعَتْ أَصْوَاتُهُمَا فَنَزَلَتْ فِي ذَلِكَ {يَا أَيُّهَا الَّذِينَ آمَنُوا لَا تُقَدِّمُوا بَيْنَ يَدَيِ اللهِ وَرَسُولِهِ} [الحجرات 1] حَتَّى انْقَضَتِ الْآيَةُ {وَلَوْ أَنَّهُمْ صَبَرُوا حَتَّى تَخْرُجَ إِلَيْهِمْ لَكَانَ خَيْرًا لَهُمْ} [الحجرات 5]