Large Hadron Collider Scientists at the Large Hadron Collider express confidence that a particle discovered in July 2012 is a Higgs boson after measuring its spin and parity.
United Kingdom British Labour Party peer Lord Ahmed is suspended from the party after claiming a conspiracy by Jewish-owned media organisations was responsible for his imprisonment for dangerous driving.
Prime Minister of the United Kingdom British Prime Minister David Cameron says talks between himself and the leaders of the UK's other main political parties on the recommendations of the Leveson report have broken down. Cameron says he will publish a Royal Charter on press regulations on Monday.
Nepal Nepalese Chief Justice Khil Raj Regmi takes oath of office as new Prime Minister of the country, heading an interim government with the task of conducting elections.
Constitutional Court The Constitutional Court of Armenia upholds the reelection of President Serzh Sargsyan in the recent presidential election.
National People's Congress The National People's Congress names CPC General Secretary Xi Jinping as the new President of the People's Republic of China, Politburo member Li Yuanchao as the new Vice President, Li Keqiang as the new Premier, and Politburo standing member Zhang Dejiang as the Chairman of the NPC Standing Committee.
Chinese At least two people are killed and five others are injured when a man, believed to be a Chinese worker, goes on a stabbing rampage at a fish processing firm in Etajima, Japan.
Khmer Rouge Former Khmer Rouge senior official and Foreign Minister of Kampuchea Ieng Sary dies during a genocide trial in Phnom Penh, Cambodia.
Cancún Gunmen storm a bar in Cancún, Mexico, and kill 7 people, also 4 others were wounded in the attack. The authorities allege that the victims were part of a taxi union.
Suicide bomber A string of coordinated car bombs and suicide bombers strike central Baghdad, followed by a militant attack on the Justice Ministry building. At least 25 people are killed, including 7 police officers and 3 militants, along with 50 wounded.