December 2014 Sinjar offensive

Sinjar offensive
	Part of the War in Iraq and the American-led intervention in Iraq
	; Map of the Sinjar offensive
Date	17–22 December 2014 ; (6 days)
Location	Nineveh Governorate, Iraq
Result	Limited Kurdish gains: Kurdish forces secured the road from Zummar to Sinjar, but fail to take control of the whole of the Sinjar mountains; Kurdish forces capture a part of Sinjar city; A total of 1,295–3,000 square kilometers (500–1,158 square miles) of mostly desert and highway are recaptured by Kurdish forces; YPG and YBŞ cut the connection of ISIS of Raqqa and Mosul in Şengal.;
Belligerents
Iraqi Kurdistan Peshmerga; ; PKK HPG; YJA-Star; ; Rojava People's Protection Units; Syriac Military Council; Women's Protection Units; ; YBŞ; ; MLKP; Air support: United States; United Kingdom; ; Canada; Australia; Other Support: Germany;	Islamic State of Iraq and the Levant
Commanders and leaders
Masoud Barzani ; Murat Karayilan ; Sheikh Khairy Khedr †	Abu Bakr al-Baghdadi (Leader); Abu Muslim al-Turkmani (Military Chief); Abu Ibrahim al-Hashimi al-Qurashi (Replacement Military Chief)
Strength
8,000 Peshmerga soldiers 500–800 PKK Soldiers 3,400–4,500 YPG Soldiers	12,000 in Mosul province
Casualties and losses
Unknown	~3,000+ killed (Peshmerga claim); 54 vehicles destroyed and 26 damaged

The Sinjar offensive was a combination of operations of Kurdish Peshmerga, PKK and People's Protection Units forces in December 2014, to recapture regions formerly lost to the Islamic State of Iraq and the Levant in their August offensive.

In a six-day-long offensive, the PKK and Peshmerga took control over part of the city of Sinjar and part of the mountains which had been conquered by ISIL in August 2014, and expanded their offensive on to Tal Afar.