|Centuries:||20th century – 21st century – 22nd century|
|Decades:||1970s 1980s 1990s – 2000s – 2010s 2020s 2030s|
|Years:||2006 2007 2008 – 2009 – 2010 2011 2012|
2009 was called the:
- International Year of Astronomy.
- International Year of Natural Fibres.
- International Year of Reconciliation.
- January 1 – Austria, Japan, Mexico, Turkey, and Uganda assume their seats on the United Nations Security Council.
- January 1 – The Czech Republic takes over the presidency of the Council of the European Union from France.
- January 1 – Slovakia uses the Euro as its money, instead of the Slovak koruna.
- January 3 – Israel invades Gaza with its army.
- January 7 – Russia shuts off all gas to Europe through Ukraine. Prime Minister Vladimir Putin publicly supports the move and suggests that international observers be brought into the dispute.
- January 12 – The Electronic System for Travel Authorization becomes necessary for travelers from Visa Waiver Program countries before travel to the United States.
- January 13 – Ethiopian military forces start to go home from Somalia, where they have tried to keep order for nearly two years.
- January 15 – US Airways Flight 1549, crash-lands in the Hudson River near Manhattan. All 155 people leave the airplane safely. The accident happened because the plane hit a flock of Canada Geese.
- January 17 – Israel declares a cease-fire against Hamas, even though Hamas does not. This ends Israel's attacks after 22 days of fighting in Gaza.
- January 20 – Inauguration of Barack Obama as the 44th President of the United States.
- January 26 – The International Criminal Court has its first trial. Union of Congolese Patriots leader Thomas Lubanga is claimed to have used children to make war.
- January 26 – The Icelandic government and banking system collapse. Prime Minister Geir Haarde resigns.
- February 1 – Patriarch Kirill I of Moscow is enthroned as the Patriarch of the Russian Orthodox Church.
- February 1 – Johanna Sigurdardottir becomes Prime Minister of Iceland.
- February 2 – Iranian President Mahmoud Ahmadinejad announces that Iran has launched its own satellite, "Omid", into orbit on an Iranian-built rocket.
- February 7 – The deadliest bushfires in Australian history begin; they kill 173, injure 500 more, and leave 7,500 homeless. The fires come after Melbourne records the hottest-ever temperature (46.4 °C, 115 °F) of any capital city in Australia. The majority of the fires are started by either fallen or clashing power lines or deliberately lit.
- February 9 – Victoria (Australia) hottest day, 48.8 °C at Hopetoun.
- February 10 – A Russian and an American satellite collide over Siberia, creating a large amount of space debris.
- February 17 – The JEM rebel group in Darfur, Sudan sign a pact with the Sudanese government, planning a ceasefire within the next 3 months.
- February 25 – Members of the Bangladesh Rifles paramilitary force begin mutinying. Over 80 are killed.
- March 2 – The President of Guinea-Bissau, João Bernardo Vieira, is assassinated during an armed attack on his residence in Bissau.
- March 3 – Gunmen attack a bus carrying Sri Lankan cricketers in Lahore, Pakistan, killing eight people and injuring several others.
- March 17 – The President of Madagascar, Marc Ravalomanana, is overthrown in a coup d'état, following a month of rallies in Antananarivo. The military appoints opposition leader Andry Rajoelina as the new president.
- April 1 – Albania and Croatia join the North Atlantic Treaty Organization (NATO).
- April 5 – North Korea launches the Kwangmyŏngsŏng-2 rocket, prompting an emergency meeting of—but no official reaction from—the United Nations Security Council.
- April 6 – A 6.3 magnitude earthquake strikes near L'Aquila, Italy, killing nearly 300 and injuring more than 1,500.
- May 4 – The President of Niger, Tandja Mamadou, holds peace talks with the Tuareg rebel groups in north Niger.
- May 18 – The third C40 Cities Climate Leadership Group meets in Seoul.
- May 18 -Following more than a quarter-century of fighting, the Sri Lankan Civil War ends with the total military defeat of the LTTE.
- June 1 – An Air France plane crashes into the Atlantic Ocean off the coast of Brazil, killing all of the 228 people on board.
- June 12 – Mahmoud Ahmadinejad is reelected as the president of Iran. Over the following weeks, thousands of the opposition's supporters protest the results.
- June 25 – Music legend Michael Jackson dies in Los Angeles at the age of 50.
- June 28 – Honduran President Manuel Zelaya is ousted in a coup.
- July 1 – Sweden assumes the presidency of the European Union.
- July 4 – The Organization of American States suspends Honduras due to the country's recent political crisis after its refusal to reinstate President Zelaya.
- July 5 – Over 150 are killed when a few thousand ethnic Uyghurs target local Han Chinese during major rioting in Ürümqi, Xinjiang.
- July 15 – Caspian Airlines Flight 7908 crashes near Qazvin, Iran, killing all 168 on board.
- July 16 – Iceland's parliament votes to pursue joining the EU.
- July 22 – The longest total solar eclipse of the 21st century, lasting up to six minutes and 38.8 seconds, occurs over parts of Asia and the Pacific Ocean; it is figured to be the most widely observed total eclipse in human history.
- August 4 – North Korean leader Kim Jong-il pardons two American journalists, who had been arrested and imprisoned, for illegal entry earlier in the year, after the old U.S. President Bill Clinton meets with Kim in North Korea.
- September 26 – Typhoon Ketsana hits the Philippines.
- October 1 – The Ohio Turnpike gets E-ZPass.
- October 2 – Rio de Janeiro is awarded the 2016 Olympic Games.
- October 9 – Barack Obama wins the Nobel Peace Prize.
- November 20 – The Large Hadron Collider in Geneva, Switzerland was restarted.
- November 30 – The Large Hadron Collider set a new energy record for a particle accelerator.
- December 1 – The EU's Lisbon Treaty enters effect.
- December 25 – Umar Farouk Abdulmutallab unsuccessfully attempts a terrorist attack on the USA while aboard Northwest Airlines Flight 253.
- January 1 – Johannes Mario Simmel, Austrian writer (born 1924)
- January 3 - Pat Hingle, American actor (born 1924)
- January 12 – Claude Berry, French movie director (born 1934)
- January 27 – John Updike, American writer (born 1932)
- February 6 – James Whitmore, American actor (born 1921)
- March 18 – Natasha Richardson, English actress (born 1963)
- April 25 – Beatrice Arthur, American actress (born 1922)
- May 19 – Robert Furchgott, American scientist (born 1916)
- May 23 – Roh Moo-hyun, South Korean President (born 1946)
- June 3 – David Carradine, American actor (born 1936)
- June 8 – Omar Bongo, President of Gabon (born 1935)
- June 13 – Mitsuharu Misawa, Japanese professional wrestler (born 1962)
- June 25 – Farrah Fawcett, American actress (born 1947)
- June 25 – Michael Jackson, American singer and entertainer (born 1958)
- July 1 – Karl Malden, American actor (born 1912)
- July 17 – Walter Cronkite, American news anchor (born 1916)
- July 19 – Frank McCourt, Irish-American writer (born 1930)
- July 31 – Bobby Robson, English football manager (born 1933)
- August 1 – Corazon Aquino, President of the Philippines (born 1933)
- August 18 – Kim Dae-jung, South Korean President (born 1924)
- August 25 – Ted Kennedy, US Senator (born 1932)
- September 14 – Patrick Swayze, American actor (born 1952)
- September 29 – Pavel Popovich, Soviet cosmonaut (born 1930)
- October 4 – Shoichi Nakagawa, Japanese politician (born 1953)
- October 31 – Qian Xuesen, Chinese scientist (born 1911)
- November 10 – Robert Enke, German footballer (born 1977)
- November 21 – Konstantin Feoktistov, Soviet cosmonaut (born 1926)
- December 4 – Eddie Fatu, Samoan-American professional wrestler (born 1973)
- December 5 – Otto Graf Lambsdorff, German politician (born 1926)
- December 17 – Jennifer Jones, American actress (born 1919)
- December 20 – Brittany Murphy, American actress (born 1977)
- December 24 – Rafael Caldera, Venezuelan President (born 1916)
- December 30 – Abdurrahman Wahid, Indonesian President (born 1940)
2009 Facts for Kids. Kiddle Encyclopedia.