During the month of Jumaadal Oola of the year 2 A.H., Rasulullah (sallallahu ‘alaihi wasallam) set out with two hundred Muhaajireen in the direction of Ushayrah to attack the caravan of the Quraish. Ushayrah is the name of a place close to Yambu’. Rasulullah (sallallahu ‘alaihi wasallam) appointed Hazrat Abu Salamah bin Abdil Asad (radhiyallahu ‘anhu) as his vicegerent over Madinah Munawwarah in his absence.
Rasulullah (sallallahu ‘alaihi wasallam) and the Sahaabah (radhiyallahu ‘anhum) took thirty camels with them as their conveyances, and they took turns riding them during the journey.
A number of days before Rasulullah (sallallahu ‘alaihi wasallam) arrived at Ushayrah, the trade caravan that he was pursuing had already departed. Rasulullah (sallallahu ‘alaihi wasallam) then stayed on for the rest of the month of Jumaadal Oola and a few days of Jumaadas Thaaniyah. He then concluded a peace treaty with the Banu Mudlij tribe, and without engaging in any form of battle, Rasulullah (sallallahu ‘alaihi wasallam) returned to Madinah Munawwarah.
The words of the peace treaty were as follows:
بسم اللّٰه الرحمن الرحيم هذا كتاب من محمد رسول اللّٰه لبني ضمرة بأنهم آمنون على أموالهم وأنفسهم وأن لهم النصر على من رامهم أن لا يحاربوا في دين اللّٰه ما بل بحر صوفة وأن النبي إذ دعاهم لنصره أجابوه عليهم بذلك ذمة اللّٰه وذمة رسوله ولهم النصر على من بر وأتقى
“Bismillahir Rahmaanir Raheem. This is a written accord from Muhammed, the Rasul of Allah Ta‘ala, for the Banu Damrah tribe, (pledging that) their wealth and their lives will remain protected and safe, and they will be assisted against whosoever attacks them, provided they themselves (the Banu Damrah) do not interfere with the Deen of Allah. This treaty will remain in effect so long as Lake Sufah is wet (i.e. this treaty is permanent and will not expire). When the Nabi summons them to assist, they will be required to respond (by coming to the aid of the Muslims). This is the pledge of Allah and the pledge of His Rasul over them, and it is also incumbent upon every pious and Allah-conscious Muslim to protect them (when they are attacked by the enemy, as long as they are in this covenant).”
(Extracted from Seeratul Mustafa 2/48)