May 6, 2011 - Insan, a Syrian human rights group, reports that 607 people have been killed in violence in Syria since March 15th. Nationwide protests are planned, as a "Day of Defiance," coinciding with the Martyrs' Day state holiday.
May 11, 2011 - The National Organization for Human Rights in Syria releases a statement claiming that 776 people have been killed in Syria since fighting began in March.
May 27, 2011 - The story of the death of 13-year-old Hamza Ali al-Khateeb emerges. The boy was separated from his father during protests in Daraa on April 29 and taken into police custody. Some time later, his body is returned to his family, allegedly showing signs of torture, mutilation and gunshot wounds.
May 31, 2011 - Al Assad issues a decree granting amnesty for political crimes.
June 1, 2011 - Human Rights Watch releases a 57-page report detailing government abuses against citizen that could possibly qualify as crimes against humanity. The report claims that as many as 887 people have been killed since protests began in March.
June 3, 2011 - More than 1,000 people have died in Syria since March, according to U.N. Secretary General Ban Ki-moon.
June 6, 2011 - Syrian state TV reports that more 120 security forces have been killed, including 82 in Jisr Al-Shugar. The government blames the deaths on "armed gangs" in the city.
June 7, 2011 - A delegation of human rights organizations and their lawyers meet with prosecutors at the International Criminal Court in the Netherlands. The group alleges that Syrian government forces have killed more than 1,168 people and injured 3,000 more since March. The International Criminal Court notes that Syria is not a party to the treaty that established the ICC. Therefore, the court has no jurisdiction over crimes committed in Syria by Syrian forces.
June 8, 2011 - The government of Turkey releases a statement , calling on Syria to stop the violence against civilians.
June 8, 2011 - France, Germany, Great Britain and Portugal submit a draft resolution to the U.N. Security Council, condemning Syria for the violence against its people.
June 12, 2011 - Syrian forces take control of the town of Jisr al Shughur. Thousands of Syrians flee to neighboring Turkey.
June 17, 2011 - Approximately, 9,600 Syrian refugees are living in four refugee camps near the Turkish border, according to the Office of the U.N. High Commissioner for Refugees.
June 18, 2011 - Syrian forces storm the town Badama, which had been providing food to Syrians fleeing violence in other towns.
June 20, 2011 - In a speech, President Bashar al Assad says that he will not negotiate with people fighting against Syrian forces. He also offers promises of reform, without any specifics.
June 24, 2011 - According to Turkish government officials, there are at least 11,739 Syrian refugees in Turkey.
August 8, 2011 - King Abdullah of Saudi Arabia rebukes Syrian President Bashar al Assad in a speech broadcast on state television. He says, "There is no justification for the bloodshed in Syria, and what is happening has nothing to do with religion or ethics. The Syrian leadership could activate comprehensive reforms quickly."
August 8, 2011 - Saudi Arabia, Kuwait and Bahrain recall their ambassadors from Syria.
August 18, 2011 - The U.S. imposes new economic sanctions on Syria, freezing Syrian government assets in the U.S., barring Americans from making new investments in the country and prohibiting any U.S. transactions relating to Syrian petroleum products, among other things.
August 22, 2011 - The U.N. High Commissioner for Refugees Navi Pillay says that more than 2,200 people have been killed in Syria since February.
September 2, 2011 - The European Union bans the import of Syrian oil.
September 23, 2011 - The European Union imposed additional sanctions against Syria, due to "the continuing brutal campaign" by the government against its own people.
November 8, 2011 - The office of the U.N. High Commissioner for Human Rights releases a statement saying that more than 3500 people have died in the Syrian unrest.
November 12, 2011 - The Arab League suspends Syria's membership, effective November 16, 2011.
December 26, 2011 - Members of an Arab League delegation arrive to look into events on the ground and whether Syria is upholding a commitment to end a brutal crackdown. The trip comes amid reports of raging violence, opposition groups say, particularly in the flashpoint city of Homs.
For Developments in Syria after 2011 -- see Syria Fast Facts