[1] In April 1880 he became the leader of a League of Prizren committee that opposed the annexation the Albanian-populated areas of Gruda, Hoti, Plava and Gucia to the Principality of Montenegro.
Sokoli led 8,000 volunteer troops from Shkodër and Tuzi to defend these areas, which eventually were not ceded to the Principality of Montenegro.
[1] During his chairmanship of an assembly of the League of Prizren on April 17, 1880, attended by 150 Albanian officers of the Ottoman Empire, Sokoli publicly removed his insignia and uniform.
[2] Sokoli's decision to forgo his Ottoman military uniform in favour of the Albanian national costume distinguished this symbolic act.
[1] In December 1880 the Ottoman general Dervish Pasha captured Sokoli,[3] who was detained in Istanbul, the capital of the empire, and later executed in Erzincan, in 1883.