Sources: Al Jazeera
Russian airstrikes on an Al-Nusra Front (Al-Qaeda's branch in Syria)-run prison complex in the northern town of Maarrat al-Nu'man, Idlib, leaves nearly 60 people dead. Most of those killed were rebels imprisoned by Al-Nusra, according to the Syrian Observatory for Human Rights. 2016-01-9
Following Russia and the United States agreement on the text, the U.N. security council unanimously approves an international roadmap for a peace process in Syria. The resolution does not touch on the question of Bashar al-Assad's fate. 2015-12-18
The Turkish military releases what it says are a series of audio recordings of warnings issued to a Russian jet before it was shot down near the Syrian border. 2015-11-26
Russia begins airstrikes against anti-government targets in Syria following a request from President Bashar al-Assad. A U.S. official said the air attack struck near the Syrian city of Homs, where the official said ISIS currently does not have a major presence. 2015-09-30
Israeli aircraft carry out a strike near the Syrian coastal city of Latakia targeting Russian-made S-125 air defense missiles allegedly intended for use by the Lebanese militant group Hezbollah. 2013-11-1
Russia arms Syria with Iskander missiles in response to NATO's stationing of Patriot missile defense systems in Turkey. 2012-12-8
2011 Syrian uprising: At least 25 people are killed in the Syrian city of Homs after tanks and security troops open fire on anti-regime protesters. 2011-10-18
Russia and the People's Republic of China veto a United Nations Security Council resolution condemning Syria for a crackdown on political protestors. 2011-10-4
The United Nations Human Rights Council condemns Syria for using deadly force against peaceful protesters and calls for an investigation into the killing of civilians and other alleged crimes; China, Russia and Pakistan vote against measures as "meddling in Syria's internal affairs".2011-04-29
21 nations, including the Presidents of Afghanistan, Russia and Syria, attending the Conference on Interaction and Confidence-Building Measures in Asia summit in Istanbul condemn Israel's deadly raid on the Gaza-bound aid flotilla, while Israel, the 22nd participant with a lower-level diplomat, disagrees. 2010-06-8