
From the life of Hazrat Sa'd (ra) bin Abi Waqas
On the occasion of the conquest of Mecca, Hazrat Sa‘d bin Abi Waqas (ra) held one of the three flags of the Muhajireen.
(Al-Tabaqaat-ul-Kubra, Vol. 3, p. 105, Sa‘d bin Abi Waqas, Dar-ul-Kutub al-Ilmiyyah, Beirut, 1990)