Large Hadron Collider The Large Hadron Collider makes its first clear observation of a new particle since opening in 2009, the boson Chi b 3P.
France France's National Assembly votes in favour of a bill criminalising any denial that the mass killing of Armenians by the Ottoman Empire in the 1910s was genocide.
Russia Russian President Dmitry Medvedev proposes political reforms at his final state-of-the-nation address.
Teargas Teargas is fired and protesters arrested in Haimen, southern China, in a demonstration against the construction of a power plant.
Nitin Garg An Australian teenager is jailed for 13 years for the killing of Nitin Garg in Melbourne, a case that led to a diplomatic row and fury over racism.
Brazil Police in Brazil seek to press charges for environmental crimes committed by the United States oil company Chevron and drilling firm Transocean in relation to last month's Campos Basin oil spill.
Dar es Salaam Floods hit the city of Dar es Salaam, Tanzania, killing at least 13 people in the nation's worst floods since its independence in 1961.
Egypt Egypt's military-appointed Prime Minister Kamal Ganzouri calls for national dialogue after weeks of deadly protests against the military regime.
Arab League The first monitors from the Arab League arrive in Syria to assess the government's crack-down on anti-government demonstrations across the country.
Human Rights Watch Human Rights Watch alleges that security forces in the Democratic Republic of the Congo have been responsible for the deaths of 24 people since the re-election of Joseph Kabila as President.
Democratic Republic of the Congo Killings and coverups are reported to be occurring in the Democratic Republic of the Congo.
United States The United States admits it was significantly responsible for an airstrike last month that killed 24 Pakistani soldiers.
Series of 16 bombing attacks At least 72 people are killed and 169 wounded in a series of 16 bombing attacks in the Iraqi capital Baghdad, shortly after the final withdrawal of American forces from Iraq.