January 11 – Flooding and mudslides in the Brazilian state of Rio de Janeiro kills 903
March 11 – A 9.1-magnitude earthquake and subsequent tsunami hit the east of Japan, killing 15,822 and leaving another 3,926 missing. Tsunami warnings are issued in 50 countries and territories. Emergencies are declared at four nuclear power plants affected by the quake.
April 29 – An estimated two billion people watch the wedding of Prince William, Duke of Cambridge and Catherine Middleton at Westminster Abbey in London.
May 1 – U.S. President Barack Obama announces that Osama bin Laden, the founder and leader of the militant group Al-Qaeda, has been killed during an American military operation in Pakistan.
June 4 – Chile's Puyehue volcano erupts, causing air traffic cancellations across South America, New Zealand, Australia and forcing over 3,000 people to evacuate.
July 21 – Space Shuttle Atlantis lands successfully at Kennedy Space Center after completing STS-135, concluding NASA's space shuttle program.
July 22 – 76 people are killed in twin terrorist attacks in Norway after a bombing in the Regjeringskvartalet (the government center in Oslo) and a shooting at a political youth camp in the island of Utøya.
September 10 – Zanzibar ferry sinking: The MV Spice Islander I carrying at least 800 people sank off the coast of Zanzibar. 240 people have been confirmed dead.
September 12 – Approximately 100 Kenyans are dead after a petrol pipeline explosion in Nairobi, Kenya.
September 19 – After 434 dead, the United Nations launches a $357 million appeal for victims of the 2011 Sindh floods in Pakistan
October 4 - Mogadishu bombing: 100 people are killed in a car bombing in the Somali capital Mogadishu.
October 4 - In Thailand, 283 people are killed by floods during a severe monsoon season, with 58 of the country's 77 provinces affected.
October 4 - The death toll from the flooding of Cambodia's Mekong River and attendant flash floods reaches 207
October 20 - Basque separatist militant organisation ETA declares an end to its 43-year campaign of political violence, which has killed over 800 people since 1968
October 23 – A destructive magnitude 7.2 Mw earthquake jolted eastern Turkey near the city of Van, killing over 582 people, and damaging about 2,200 buildings
December 16 – Tropical Storm Washi causes 1,249 flash flood fatalities in the Philippines with 1,079 people are officially listed as missing.
December 29 – Samoa and Tokelau moves from east to west of the International Date Line in order to align its time zone better with its main trading partners, meaning that it will not mark December 30 this year.
Finally, Leaving all these events and hope to have a prosperous year, Happy New Year 2012
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