Timeline: Unrest in Syria

Published On: Dec 24 2013 03:19:21 AM CST   Updated On: Sep 23 2014 09:32:18 AM CDT

The U.S. and several Arab nations have begun airstrikes in Syria -- the latest chapter in a bloody civil war. Learn about the major events in the country's tumultuous uprising.

Syria explosion
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July 2012 -- Top Assad aides are killed in the bombing of the National Security building in Damacus by rebel forces. Rebels says it's retribution for the massacre of roughly 200 people in Tresmeh, a small Syrian farming village, five days earlier.

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