Twitter's Biggest News Stories Of 2011 (PHOTOS)

The Most Tweeted News Story Of 2011
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Every year is a huge year in world news. From Arab Spring to the death of Osama bin Laden, 2011 was no different. Below, see the six most tweeted about world news stories of the year.

6. Swine Flu outbreak(01 of06)
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A senior citizen is vaccinated against tetanus and Influenza A H1N1 in Tegucigalpa March 24, 2010. AFP PHOTO/Orlando SIERRA. (Photo credit should read ORLANDO SIERRA/AFP/Getty Images) (credit:Getty)
5. Gaddafi's death(02 of06)
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Libyans attend a celebration marking the 'Friday of Victory' in Tripoli on October 28, 2011 a week after former strongman Moamer Kadhafi was captured and killed. AFP PHOTO/MAHMUD TURKIA (Photo credit should read MAHMUD TURKIA/AFP/Getty Images) (credit:Getty)
4. Shooting of Gabrielle Giffords(03 of06)
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An autographed portrait of Congresswoman Gabrielle Giffords at a makeshift memorial outside the hospital in Tucson, Arizona where she is in critical condition on January 10, 2011. President Barack Obama led a nationwide moment of silence to mark the shootings which left six people dead. AFP Photo/Shaun TANDON (Photo credit should read SHAUN TANDON/AFP/Getty Images) (credit:Getty)
3. Japanese earthquake and Fukushima nuclear disaster(04 of06)
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This combo of photos shows the tsunami-devastated town of Minamisanriku, Miyagi prefecture on March 22, 2011 (above) shortly after the March 11 disaster; the same scene on May 9, 2011 (C photo) and then on September 11, 2011 (bottom) six months after the quake and tsunami hit. Japan's largest earthquake of magnitude 9.0 hit the northeastern region on March 11, releasing a massive tsunami that destroyed much of the Pacific coast of northern Japan and killed nearly 15,000 people, with more than 10,000 others missing. AFP PHOTO / TOSHIFUMI KITAMURA (Photo credit should read TOSHIFUMI KITAMURA/AFP/Getty Images) (credit:Getty)
2. Raid on Osama bin Laden(05 of06)
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People gather in Times Square New York May 2, 2011 shortly after the announcement from the President Obama announced that Al-Qaida mastermind Osama bin Laden was dead and the United States has his body. Bin Laden was killed in a mansion close to Islamabad. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images) (credit:Getty)
1. Mubarak's resignation(06 of06)
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A protester carries a pair of scales and a rope noose as he and others shout slogans against former Egyptian president Hosni Mubarak outside the police academy in Cairo where the ousted president's trial resumed on September 24, 2011. Egypt's military ruler Field Marshal Hussein Tantawi, who is the de facto head of state since a popular uprising toppled Mubarak in February, testified in court, a security official told AFP. AFP PHOTO/KHALED DESOUKI (Photo credit should read KHALED DESOUKI/AFP/Getty Images) (credit:Getty)

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