Molecule of the Year The Molecule of the Year 2011 is BMP7 as announced by Isidro A. T. Savillo, President, ISMCBBPR.
Mohamed Morsi Mohamed Morsi is sworn in as President of Egypt, the first president elected since Hosni Mubarak was ousted in last year's revolution.
Barrio Azteca A top leader of the Texan gang known as Barrio Azteca is extradited to the United States from Mexico. The gang member was responsible for killing two U.S. consulate workers in Ciudad Juárez in March 2010.
Strong storms The death toll from storms in the Mid-Atlantic states of the United States reaches 13, with millions out of power and states of emergencies declared in the states of Ohio, West Virginia, Virginia and Maryland as well as the District of Columbia.
Xinjiang A strong earthquake hits the Xinjiang region of western China with rescuers dispatched to search for casualties.
Samsung Samsung is barred from selling its Galaxy Nexus phone in the United States due to a patent dispute with Apple Inc.
Libor inter-bank interest rate Barclays Chief Executive Bob Diamond is summoned to appear before British MPs next week.
The UK government announces an independent review of the workings of the Libor inter-bank lending rate in the wake of the Barclays scandal.
Instagram Mobile photo-sharing service Instagram and others sites are forced offline due to thunderstorms and widespread power outages in the eastern United States.
UNESCO A UNESCO World Heritage site is destroyed by Muslim fighters in Timbuktu. The mausoleum of Sidi Mahmoud Ben Amar is destroyed. The fighters are said to have ties with al-Qaida.
Syrian uprising (2011–present) International powers including the United States, Russia and the People's Republic of China agree to a transition plan for Syria.