Jared Lee Loughner Jared Lee Loughner, accused of murder in the 2011 Tucson shootings, is found to be incompetent to face a trial because of mental health issues.
North Korea North Korean leader Kim Jong-il arrives in Beijing for a meeting with the President of the People's Republic of China, Hu Jintao.
Palestinian territories Palestinian officials dismiss Israeli PM Benjamin Netanyahu's speech to the US Congress, saying it will not lead to peace.
Christine Lagarde Christine Lagarde, the French Minister for Finance, announces her candidacy to be head of the International Monetary Fund.
Barack Obama Barack Obama, the President of the United States, addresses the Parliament of the United Kingdom.
Nuclear disaster Two of the reactors damaged in the March earthquake and tsunami at the Fukushima Daiichi nuclear power plant in Japan may be riddled with holes, according to the facility's owner, Tokyo Electric Power Co.
Storms and tornadoes Powerful storms and tornadoes continue across the Central United States, claiming at least 10 more lives across Arkansas, Kansas and Oklahoma.
Germany Germany shuts down part of its airspace as volcanic ash from the eruption of Iceland's Grímsvötn reaches northern Europe.
David Einhorn An influential investor and stock trader, David Einhorn, demands the resignation of Steve Ballmer, the CEO of software giant Microsoft, speaking at the Ira W. Sohn Investment Research Conference.
Oprah Winfrey Veteran talk show host Oprah Winfrey presents her final "Oprah Winfrey Show", after 25 years on air.
Europe Police in the eastern European state of Georgia use teargas to disperse a protest in central Tbilisi.
South Africa South African President Jacob Zuma will visit Libya for talks with Libyan leader Muammar Gaddafi, in renewed efforts by the African Union to broker a cease-fire in the 2011 Libyan civil war.
2011 Yemeni uprising Violent clashes occur between tribesmen and government officials in Sana'a, Yemen.
Pakistani Taliban A Pakistani Taliban suicide bomber attacks a police station in Peshawar, killing at least seven people.