and Zayd and ʿAbd Allah ibn Rawahah for the campaign against the Christians at Muʾtah; he then conquered Mecca in the eighth year AH, during Ramadan. Midway through the ninth year AH he marched against the Christians toward Tabuk. In that same year Abu Bakr al-Siddiq (may Allah be pleased with him) performed the Hajj, and it was proclaimed that after that year no idolater was to undertake the pilgrimage, nor was anyone to circumambulate the House while unclothed.