These days is coincident with the arrival of Bahaullah, the false legislator of Baha'ism at Najib pasha garden nearby Baqdad city on Ordibehesht 1242 S.H. This garden was known as Redhvan garden among Baha'is, later on. In this place, Bahaullah clearly announced the present Baha'is to be the divine messenger and the same promised one had been promised by Bab to come. Of course, the Excellency Nouri had forgotten this fact that the Excellency Bab had promised for the one who God will manifest would come after more than 2000 years.

     After Bab's execution and the subsequent events happened after the announcing of his succession by Yahya Sobhi Azal, Hussein Ali Nouri's brother, the one who God will manifest announced his existence 13 years after Ali Muhammad Bab's execution, contrary to clear announcement of Bab.

     Baha stayed in the garden for 12 days and then moved towards Istanbul where was his next exile place. Due to Bahaullah's order; each year, 12 days are being celebrated as Redhvan days which are considered as the greatest and holiest feasts of Baha'is.

     On 1^st, 9^th and 12^th days of the greatest feast of Redhvan business is not allowed because these days are considered as religiously forbidden and prohibited days in the Baha'i faith.