Use this link to help refresh your memory: http://en.wikipedia.org/wiki/2011
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1) Egyptian President Hosni Mubarak resigns after widespread protests calling for his departure, leaving control of Egypt in the hands of the military until a general election can be held.
2) 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.
3) Libyan leader Muammar Gaddafi is killed in Sirte, with National Transitional Council forces taking control of the city, and ending the war.
4) A 9.1-magnitude earthquake and subsequent tsunami hit the east of Japan, killing 15,840 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.
5) 76 people are killed in twin terrorist attacks in Norway after a bombing in the Regjeringskvartalet government center in Oslo and a shooting at a political youth camp on the island of Utøya.
6) An estimated two billion people watch the wedding of Prince William, Duke of Cambridge and Catherine Middleton at Westminster Abbey in London.
7) Space Shuttle Atlantis lands successfully at Kennedy Space Center after completing STS-135, concluding NASA's space shuttle program.
8) UNESCO admitted Palestine as a member, following a vote in which 107 member states supported and 14 opposed.
9) South Sudan secedes from Sudan, per the result of the independence referendum held in January.
10) The United States formally declares an end to the Iraq War.