The migrant crisis developed at the most complex geostrategic position in the world, the situation contained ongoing active, proxy, or cooling wars as Turkey shared borders with Iraq (2003 US-led invasion, Iraq War (2003–2011), and Iraqi insurgency (2003–2011)), Iran (Iran–Israel proxy conflict), Syria (Syrian civil war), Georgia (Russo-Georgian War), Azerbaijan (Nagorno-Karabakh conflict), Greece and Bulgaria. In line with the escalating fragility in the region, Turkey directly joined the fight against Islamic State of Iraq and the Levant (Turkey–ISIL conflict) in August 2016. The dynamics of the Syrian civil war spilled over into Turkish territory (ISIL rocket attacks on Turkey (2016)). ISIS carried out a series (2013 Reyhanlı bombings, 2015 Suruç bombing, March 2016 Istanbul bombing) of attacks against Turkish civilians by using suicide bombers. The deadliest terrorism in Turkish history, as of 2019, The ISIS attack (2015 Ankara bombings) against a peace rally.