Narrated Qatada:
I asked Anas how many times the Prophet had performed 'Umra. He replied, "Four times. 1. 'Umra of Hudaibiya in Dhi-l-Qa'da when the pagans hindered him; 2. 'Umra in the following year in Dhi-l-Qa'da...
O Allah, Lord of the seven heavens, Lord of the Magnificent Throne, be for me a support against [such and such a person] and his helpers from among your creatures, lest any of them abuse me or do me wrong. Mighty is...
-> Read More Info: Al-Bukhari, Al-'Adab Al-Mufrad (no. 707). Al-Albani graded it authentic in Sahih Al-'Adab Al-Mufrad (no. 545).