Banu Sa'ida

{{Short description|Sub-tribe of the Banu Khazraj tribe}}

The Banu Sa'ida ({{langx|ar|بنو ساعدة|Banu Sā'idah}}) was a clan of the Banu Khazraj tribe of Medina in the era of Muhammad.{{cite book|title=Muhammad and the People of the Book|last1=Carimokam|first1=Sahaja| page=224|year=2010|isbn=9781453537855}} The tribe's full name was the Banu Sa'ida ibn Ka'b ibn al-Khazraj.{{cite book|title=The Life of Muhammad: Al-Waqidi's Kitab al-Maghazi|editor=Rizwi Faizer|publisher=Routledge|year=2013|page=168|author=Al-Waqidi|author-link=Al-Waqidi|isbn=9781136921131}}

Prior to their conversion, most members of the clan worshiped idols, which were destroyed after the advent of Islam.{{cite book|title=The Arabs and Arabia on the Eve of Islam|editor=FE Peters|pages=139–140|publisher=Routledge|year=2017|chapter=Idol Worship in Pre-Islamic Medina|isbn=9781351894807}} Their Jewish allies or clients are mentioned in the Constitution of Medina.http://en.wikisource.org/wiki/Constitution_of_Medina, {{cite web|url=http://www.balagh.net/english/ahl_bayt/the_message/27.htm |title=Archived copy |access-date=2015-06-10 |url-status=dead |archive-url=https://web.archive.org/web/20120524053521/http://www.balagh.net/english/ahl_bayt/the_message/27.htm |archive-date=2012-05-24 }}{{cite journal|title=The Sunnah Jāmi'ah, pacts with the Yathrib Jews, and the Taḥrīm of Yathrib: analysis and translation of the documents comprised in the so-called 'Constitution of Medina'|journal=Bulletin of the School of Oriental and African Studies|volume=41|issue=1|year=1978|pages=1–42|last1=Serjeant|first1=R.B.|doi=10.1017/S0041977X00057761|s2cid=161485671 }}

Sa'd ibn Ubadah of the Banu Sa'ida gained prominence and influence among the Ansar, who gathered to pledge allegiance to him following the death of Muhammad.Watt, W. M. (1956). Muhammad at Medina, pp. 168, 181. Oxford: Oxford University Press.Muhammad ibn Ishaq. Sirat Rasul Allah. Translated by Guillaume, A. (1955). The Life of Muhammad. Oxford: Oxford University Press. Page 650-660. This gathering, hosted at the clan's saqifah, resulted in Abu Bakr being named the first caliph of the Rashidun caliphate.{{cite book|title=The History of al-Tabari Vol. 10: The Conquest of Arabia: The Riddah Wars A.D. 632-633/A.H. 11|last1=al-Tabari|first1=Abu Jafar|translator=Fred M. Donner|publisher=SUNY|year=1993|isbn=9780791410721|chapter=The Events of the Year 11 (cont'd)}}