Battle of Mosul (2016–2017)
The Battle of Mosul (Arabic: معركة الموصل, Ma'rakat al-Mawṣil) was a major battle initiated by Iraq and allied forces to retake the city of Mosul from the Islamic State (IS), which had seized the city years prior in June 2014. It was the largest conventional land battle in the world since the capture of Baghdad in 2003.
Source: Wikipedia — Battle of Mosul (2016–2017) (CC BY-SA 4.0)