Andranik [SEP] conflict
few hundred Armenian volunteers within the Bulgarian army against the Ottomans during the First Balkan War.
From the early stages of World War I, Andranik commanded the first Armenian volunteer battalion within the Russian Imperial army against the Ottoman Empire, capturing and later governing much of the traditional Armenian homeland. After the Revolution of 1917, the Russian army retreated and left the Armenian irregulars outnumbered against the Turks. Andranik led the defense of Erzurum in early 1918, but was forced to retreat eastward. By May 1918, Turkish forces stood near
Adrianopolitan Volunteer Corps took part in the battles against Serbian Army. Besides Bulgarians, the corps also included volunteers from other nationalities, including a whole Armenian 2nd company led by Lieutenant Garegin Nzhdeh and Andranik Ozanian (in the 12th Lozengrad battalion or druzhina). There were many Armenians in the 3rd company led by Lieutenant Torgom (of the same 12th battalion of the 3rd Brigade). Another Armenian officer - Hovhannes Chaush led a company in the 7th battalion of 3rd Brigade. 
The Macedonian-Adrianopolitan Volunteer Corps (23 Sep 1912