2011 – Protest started in the city of Deera (school children were reportedly arrested for anti government graffiti
18th march 2011 – army opened fire on protesters killing 4 people
2011 May – Army tanks enter Deraa, Banyas, Homs and suburbs of Damascus in an effort to crush anti-regime protests.
2011 June – The government says that 120 members of the security forces have been killed by “armed gangs” in the northwestern town of Jisr al-Shughour.
July 2011 – free syrian army was formed (rebels)
2011 December – Twin suicide bombs outside security buildings in Damascus kill 44, the first in a series of large blasts in the the capital that continue into the following summer.
2012 February – Government steps up the bombardment of Homs and other cities.
2012 March – UN Security Council endorses non-binding peace plan drafted by UN envoy Kofi Annan.
2012 June – Turkey changes rules of engagement after Syria shoots down a Turkish plane, declaring that if Syrian troops approach Turkey’s borders they will be seen as a military threat.
2012 July – Free Syria Army blows up three security chiefs in Damascus and seizes Aleppo in the north.
2012 October – Syria-Turkish tension rises when Syrian mortar fire on a Turkish border town kills five civilians. Turkey returns fire and intercepts a Syrian plane allegedly carrying arms from Russia.
Fire in Aleppo destroys much of the historic market as fighting and bomb attacks continue in various cities.
2012 December – US, Britain, France, Turkey and Gulf states formally recognise opposition National Coalition as “legitimate representative” of Syrian people.
2013 March – Syrian warplanes bomb the northern city of Raqqa after rebels seize control. US and Britain pledge non-military aid to rebels.
2013 June – Government and allied Lebanese Hezbollah forces recapture strategically-important town of Qusair between Homs and Lebanese border.
2014 March – Syrian Army and Hezbollah forces recapture Yabroud, the last rebel stronghold near the Lebanese border.
2014 May – Hundreds of rebels are evacuated from their last stronghold in the central city of Homs. The withdrawal marks the end of three years of resistance in the city.
2014 June – UN announces removal of Syria’s chemical weapons material complete.
2015 January – Kurdish forces push Islamic State out of Kobane on Turkish border after four months of fighting.
2015 May – Islamic State fighters seize the ancient city of Palmyra in central Syria and proceed to destroy many monuments at pre-Islamic World Heritage site.
2015 September – Russia carries out its first air strikes in Syria, saying they target the Islamic State group, but the West and Syrian opposition say it overwhelmingly targets anti-Assad rebels.
2015 December – Britain joins US-led bombing raids against Islamic State in wake of Paris suicide bombing attacks.
Syrian Army allows rebels to evacuate remaining area of Homs, returning Syria’s third-largest city to government control after four years.
2016 February – A US-Russian-brokered partial ceasefire is agreed but fails to stick, as do repeated subsequent attempts.
2016 March – Syrian government forces retake Palmyra from Islamic State, with Russian air assistance.
2016 August – Turkish troops cross into Syria to help rebel groups push back so-called Islamic State militants and Kurdish-led rebels from a section of the two countries’ border.
2016 December – Government troops, backed by Russian air power and Iranian-sponsored militas, recaptures Aleppo, the country’s largest city, depriving the rebels of their last major urban stronghold.