Libya's 2011 started with a riot after the arrest of human-rights activist Fethi Tarbel, to the country's liberation and downfall of Qaddafi.
Timeline: Libya 2011
The arrest of human-rights activist Fethi Tarbel starts a riot in Benghazi.
Anti-government militias take control of the central coastal city of Misurata after evicting forces loyal to Muammar Qaddafi.
The UN Security Council imposes sanctions on Qaddafi and his family, and refers the crackdown on rebels to the International Criminal Court.
The rebel National Transitional Council (NTC) in Benghazi declares itself Libya's sole representative.
The UN Security Council votes to authorise a no-fly zone over Libya and military action to protect civilians against Qaddafi's army.
A Nato missile attack on a house in Tripoli kills Qaddafi's youngest son and three grandchildren, his government says.
The International Criminal Court issues arrest warrants for Qaddafi, his son, Saif Al Islam, and the intelligence chief, Abdullah Al Senussi, on charges of crimes against humanity.
Rebels enter Tripoli with little resistance. Qaddafi makes audio addresses over state television calling on Libyans to fight off the rebel "rats".
Qaddafi is captured and killed as NTC fighters take his hometown Sirte, ending a two-month siege. An NTC official says Qaddafi's son Mo'tassim is dead.
Libya declares the liberation of the nation. "We have liberated our beloved country, with its cities, villages, hill-tops, mountains, deserts and skies," an NTC official says.
Saif Al Islam is arrested with several bodyguards near the town of Obari by fighters based in the western mountain town of Zintan, the interim justice minister says.
For the first time in more than 40 years, Libyans celebrate the 60th anniversary of independence from Italy and France.