The Syrian Civil War began in March 2011 and is still ongoing. Open opposition to the Assad regime came about during the initial period of Arab Spring, which prompted revolutions across the Arab world.
The conflict in Syria has involved a multitude of factions, some of which having been supported by foreign governments. ISIS (Daesh) took advantage of regional turmoil to launch their own military campaign, which spilled over into neighboring Iraq. These compounded conflicts caused have displaced millions of people, which resulted in the migration of refugees toward Europe.