After the defeat of the Abyssinians at Debra Sin in August 1887 Gondar was looted and fired by the dervishes under Abu Anga.
Tidings of a new Mahdist incursion into Abyssinian territory reaching the negus induced him to postpone the settlement of his quarrel with Menelek until the dervishes had been chastised.
Kassala was relieved on the 1st of April, and Stevani a few days later severely defeated the dervishes at Jebel Mokram and Tucruff.
In the Sinan Tekke or Dervish monastery the ceremonies of the howling and dancing Dervishes may be witnessed.
In remembrance of these victims of popular wrath Jalal-uddin founded the order of the Maulawi (in Turkish Mevlevi) dervishes, famous for their piety as well as for their peculiar garb of mourning, their music and their mystic dance (sama), which is the outward representation of the circling movement of the spheres, and the inward symbol of the circling movement of the soul caused by the vibrations of a Sufi's fervent love to God.