The fifth year after the Hijrah:

The campaigns of Dhat al-Riqaʿ and the campaign of Dūmat al-Jandal (with a ḍamma on the dāl)

The campaign of Dhat al-Riqaʿ:
The Messenger of Allah ﷺ set out for it after ten days of Muḥarram had passed. This is the view of al-Wāqidī, as mentioned earlier. Ibn Isḥāq, however, places it in Jumādā al-Ūlā of year four AH.

The campaign of Dūmat al-Jandal (with a ḍamma on the dāl):
It is said that the town was named after Dumā ibn Ismāʿīl—peace be upon him—because it had been his dwelling place. There is another locality called Dawmah, with a fatḥah on the dāl.

This campaign occurred in Rabīʿ al-Awwal. The Prophet ﷺ turned back before reaching the town and encountered no opposition.

Al-Madāʾinī reports that the Prophet ﷺ departed in Muḥarram intending to confront Ukaydir of Dūmah; but Ukaydir fled, and the Prophet ﷺ returned.

Al-Wāqidī adds: “I was informed by Ibn Abī Sabrah, from ʿAbd Allāh ibn Abī Labīd, from Abū Salamah ibn ʿAbd al-Raḥmān; and by ʿAbd al-Raḥmān ibn ʿAbd al-ʿAzīz, from ʿAbd Allāh ibn Abī Bakr and others, that the Messenger of Allah ﷺ intended to…"