Space telescope Space telescope observations indicate that the supernova RCW 86, first seen by Chinese astronomers in 185 AD, expanded at an unprecedented rate due to the formation of a vacuum-like "cavity" around it in the early stages of the death of its star. The supernova's rapid expansion had previously been one of astronomy's most enduring mysteries.
United States The last of the United States' nine-megaton B53 warheads, formerly the most powerful nuclear weapons in the country's nuclear arsenal, is disassembled near Amarillo, Texas, having been in service since 1962.
United States government The United States Government commences legal action against Teodoro Nguema Obiang Mangue, the Minister of Agriculture and Forestry in Equatorial Guinea and the son of the President of Equatorial Guinea Teodoro Obiang Nguema Mbasogo, to seize US$70.8 million in assets allegedly gained from graft and corruption.
Oakland City Hall Police arrest 75 people outside Oakland City Hall in the U.S. state of California while clearing the campsite of the Occupy Oakland protest.
2011 United States listeriosis outbreak The death toll from the 2011 United States listeriosis outbreak rises to 28, with 133 people in 26 states reportedly suffering from the disease.
Hurricane Rina Hurricane Rina strengthens to Category 2 strength as it advances towards Cancun and other resorts on the Mexican Riviera.
Switzerland One person is killed and fourteen people injured in an explosion in the Swiss city of Yverdon-les-Bains.
Ireland Following severe flooding in Ireland and parts of the United Kingdom, two apparent flood deaths are reported in the Irish capital Dublin.
Floods Floodwaters continue to rise on the outskirts of the Thai capital Bangkok, with floodwaters having reached Don Mueang International Airport, leading to the cancellation of many flights.
The death toll of eastern Turkey's recent earthquake reaches 366, as emergency services continue to search the rubble of Van for survivors.
First-person shooter First-person shooter video game "Battlefield 3", developed by Electronic Arts, is released in North America.
2011 Yemeni uprising 2011 Yemeni uprising: Fifteen people die in clashes in the Yemeni cities of Sana'a and Taiz.
Libya The bodies of ousted Libyan dictator Muammar Gaddafi, his son and advisor Mutassim Gaddafi, and former defence minister Abu-Bakr Yunis Jabr are buried in unmarked graves by the National Transitional Council.
Philippines A Philippine civil defence official estimates that approximately 10,000 people in the southern Philippines have fled their homes due to fighting between Abu Sayyaf rebels and government forces.