March 17, 2011 - The U.N. Security Council votes to impose a no-fly zone over Libya and take "all necessary measures" to protect civilians.
March 19, 2011 - French fighter jets begin enforcing the no-fly zone over Libya, and the U.S. launches more than 100 Tomahawk missiles at targets in Libya in Operation Odyssey Dawn.
June 1, 2011 - NATO extends its mission in Libya for another 90 days.
August 15, 2011 - Moammar Gadhafi urges Libyans to fight opposition forces and "cleanse this sweet and honorable land." In a speech broadcast on state television, Gadhafi says: "The strikes will be over and NATO will be defeated. Move always forward to the challenge; pick up your weapons; go to the fight in order to liberate Libya inch by inch from the traitors and from NATO. Be prepared to fight if they hit the ground."
August 20, 2011 - Libyan rebels have taken their fight inside Tripoli, the home of the embattled Libyan leader, a rebel spokesman says. Government spokesman Musa Ibrahim insists that all is safe and well. He says the Libyan capital remains under government control. Libyan officials reject rebel claims that Gadhafi is seeking refuge for his family, saying that neither the leader nor his wife and children plan to leave the country.
August 22, 2011 - A rebel spokesman says Libya is now under the control of the opposition; Gadhafi's whereabouts are unknown. The opposition believes that Gadhafi is either hiding in Tripoli, has fled to southern Libya or fled to neighboring Chad or Algeria. "Those are the only two neighboring country that have been showing support for him," El-Gamaty said.
August 23, 2011 - A spokesman for the National Transitional Council claims that rebels control 85% of Tripoli. Rebel sources say Libya's National Transitional Council has established a small office on the outskirts of Tripoli.
October 20, 2011 - Gadhafi dies of a gunshot wound to the head after being captured by rebel forces in his hometown of Sirte, Libya.
October 23, 2011 - Libya's interim leaders declare the nation's freedom in Benghazi, where uprisings against Gadhafi's regime began in February.
October 27, 2011 - The United Nations Security Council votes unanimously to end military operations in Libya. The adopted resolution effectively cancels the NATO mission in Libya as of October 31, 2011.
Syria: Early February 2011 - In anticipation of protests, President Bashar al Assad deploys a heavy police presence and presses individuals not to participate in demonstrations.
February 4, 2011 - A planned "Day of Rage", organized on Facebook, fails to attract protesters against President Bashar al Assad.
March 18, 2011 - Security forces crack down on protesters in Daraa, who are demonstrating for the release of children and teens detained for writing political graffiti.
March 23, 2011 - Protests continue in Daraa for the sixth day. Security forces fire into a crowd in front of a mosque, killing approximately 15 people.
March 24, 2011 - Thousands of people in Daraa attend funerals for nine people killed in the recent uprising.
March 25, 2011 - Approximately 24 people are killed near Daraa in clashes with security forces.
March 29, 2011 - The cabinet of President Bashar al Assad resigns.
March 30, 2011 - President al Assad addresses the nation in a 45-minute televised speech. He acknowledges that the government has not met the people's needs but he does not offer any concrete changes. The state of emergency remains in effect also.
April 1, 2011 - Approximately 11 people are killed in the Damascus suburb of Douma during protests.
April 3, 2011 - President al Assad appoints a new prime minister, Adel Safar.
April 8, 2011 - Demonstrations take place in Daraa, Latakia, Banias, Qamishli, Homs, Douma, Moathamia, Daraya, Tal, and Hama. More than three dozen protesters are reported killed.
April 10, 2011 - The Syrian government announces that 19 security officers have been killed in Bania. At least 22 civilians are reported killed.
April 21, 2011 - Syrian President al Assad lifts the country's 48-year-old state of emergency. He also abolishes the Higher State Security Court and issues a decree "regulating the right to peaceful protest, as one of the basic human rights guaranteed by the Syrian Constitution."
April 25, 2011 - The Syrian government sends thousands of troops into Daraa to carry out what witnesses describe as a brutal, wider-scale crackdown. Between 4,000 and 5,000 members of the Syrian Army and security forces raid Daraa just after 4 a.m. equipped with seven tanks, and begin shooting indiscriminately, in some cases shooting into homes as people slept, according to an activist with the Syrian Observatory for Human Rights.
April 27, 2011 - The group Syrian Human Rights Information Link reports that more than 400 people have been killed in violence in Syria since March 18th.