Battle of Ushno

Battle of Ushno (1918)
	Part of Persian campaign (World War I)
Date	8–13 April 1918
Location	Oshnavieh, Sublime State of Iran
Result	Assyrian victory
Belligerents
Assyrian volunteers	Ottoman Empire Persian Cossacks; Kurdish Tribesmen;
Commanders and leaders
Agha Petros; Malik Khoshaba; Raphael Khan	Unknown
Strength
1,500+	2,000-9,000 troops; and heavy cannons
Casualties and losses
Low	Heavy 325-500 POW; 24 officers; 5 machine guns and 2 field guns seized;

The Battle of Ushno (8-13 April 1918) was a military engagement near present-day Oshnavieh, in the West Azerbaijan province of Iran, fought between the Assyrian volunteers led by Agha Petros and the Ottoman Empire, reinforced by local Persian and Kurdish troops. This battle is a part of the broader Ottoman invasion of Iranian Azerbaijan, with the goal of subduing the Assyrian Christian authority over the region, and to finally enter the city of Urmia.