Beijing Subway The Beijing Subway expands to 442 km with the opening of Line 6, making it the longest metro network in the world.
Italy Italian neurologist Rita Levi-Montalcini, the 1986 Nobel laureate in Physiology or Medicine, dies at the age of 103.
Subatomic particle The confirmation of the existence of a subatomic particle known as the Higgs boson is named as 2012 Breakthrough of the Year by the "Science" magazine.
U.S Secretary of State U.S. Secretary of State Hillary Clinton is hospitalized after doctors discover a blood clot related to the concussion she suffered earlier this month.
U.S. President U.S. President Barack Obama puts pressure on Republicans to accept a deal aimed at avoiding a tax and spending "fiscal cliff", as the end-of-year deadline looms.
Mexican Mexican marines kill 4 gunmen who tried to steal the body of Angel Enrique Uscanga, a drug boss, in Gulf coast state of Veracruz.
Interstate 84 A tour bus crashes off Interstate 84 in northeastern Oregon in the United States, leaving 9 of its passengers dead and 26 injured.
Guatemala Guatemalan Congresswoman Catarina Castor dies in the crash of a private plane in the northwestern Guatemalan province of Quiché, which also killed the pilot and injured the Governor Quiché Department, Heber Cabrera.
Central African Republic Central African Republic leader François Bozizé promises a national unity government, as rebels advance to within 75 km of the capital Bangui.