United States Scientists in the United States publish the most detailed scans of the human brain to date as part of a project to understand how the organ works.
Japan Japanese carrier Willcom announces the Phone Strap 2 WX06A, which weighs only 32 grams. The company advertises it as the world's "smallest and lightest phone".
United States Voters in the American city of Los Angeles, California, go to the polls for a mayoral election with Eric Garcetti and Wendy Greuel to contest a runoff on 21 May 2013.
United Kingdom UK Secretary of State for Defence Philip Hammond announces the closure of four Army bases as part of a shake-up to accommodate the return of thousands of British troops stationed in Germany.
Government The government of Moldova falls in a confidence vote after the government coalition broke down.
Kenyan presidential election Kenyan general election, 2013: Early returns show that Uhuru Kenyatta has taken a lead in the presidential election.
Fugitive Eddie Maher, who spent almost 20 years as a fugitive in the United States, is jailed for five years for stealing a security van containing £1.2m in Suffolk, England.
American A black American political candidate "was dragged and set on fire" during his murder in the U.S. state of Mississippi, say his family. The corpse of Marco McMillian was found bruised and burned near a levee on the Mississippi River.
Venezuela Venezuela announces its intention to expel a member of the United States embassy working as a US Air Force military attaché. The U.S. official is accused of spying on the military and meeting with officials to plan destabilizing the country.
Dow Jones Industrial Average The Dow Jones Industrial Average surpasses pre-financial crisis levels, reaching an all-time high, last set in October 2007, after the release of better than expected economic data from the United States and Europe and the Chinese growth target.
Premier of the People's Republic of China Chinese Premier Wen Jiabao delivers his final annual address to the National People's Congress. The People's Republic of China sets its economic growth rate for 2013 at 7.5%.
Nigeria Gunmen kill eight people in an attack on a police station and a bank in northeastern Nigeria.
Malaysian Army The Malaysian Army launches an attack on an armed Filipino group on the island of Borneo in an effort to end the standoff.