United States Having spread across the United States, anti-corruption Occupy Wall Street protests reach Canada, London, and The Hague.
French Socialist Party The French Socialist Party holds a nationwide primary election to choose its candidate for the 2012 presidential election, with over 1 million voters participating and François Hollande and Martine Aubry entering a run-off election.
Polish Voters in Poland go to the polls for a parliamentary election, with Prime Minister Donald Tusk's Civic Platform – Polish People's Party coalition becoming the first government to be reelected since Poland transitioned to democracy in 1989.
Cameroon Voters in Cameroon go to the polls for a presidential election, with incumbent President Paul Biya likely to be re-elected.
Paul McCartney Former Beatle Sir Paul McCartney marries American heiress Nancy Shevell at a ceremony in London.
Clash At least 25 people are killed and many more injured after protesters and security forces clash in the Egyptian capital of Cairo, during a protest in response to an attack on a Coptic church.
Civil war 2011 Libyan civil war: ousted Libyan dictator Muammar Gaddafi's stronghold of Sirte is reportedly close to being conquered by the forces of the National Transitional Council, who have captured the city's airport, hospital, university and conference centre.