Operation Olive Branch
Operation Olive Branch () was a cross-border military operation conducted by the Turkish Armed Forces and Syrian National Army (SNA) in the majority-Kurdish Afrin District of northwest Syria, against the People's Protection Units (YPG) of the Syrian Democratic Forces (SDF). The air war and use of major artillery ended as the Arab and Turkmen militias of the SNA entered the city of Afrin on 18 March 2018, and the SDF insurgency in Northern Aleppo began.