According to the AhlulBayt World Assembly News Portal: The Event of Mubahala, was a meeting between the Islamic Prophet Muhammad (p.b.u.h) and a Christian delegation from Najran, Dhu’l-Hijja 24, 9 H. The event indicates the virtue of the Ahl al-Kisa (a.s.) and mentioned in Shia and Sunni Hadith Sources.
On the occasion of this day, on the Rahmana portal, integrated access to the web pages on the subject of Mubahlah in different languages has been provided.
Those who are interested to view this page in Farsi can refer to the following link:
https://www.shiadirectory.org/fa/Category/Event_of_Mubahala
It worth mentioning that the Rahnama portal was designed by the AhlulBayt (a.s.) World Assembly Wide Web to provide integrated access to the teachings of the Quran and the School of the AhlulBayt (a.s.).