2009

January

 * Austria, Japan, Mexico, and   on the.
 * , the capital of, becomes the and  and  become the.
 * adopts the as its national currency, replacing the.
 * Sixty-six nightclub-goers die in the in Bangkok, Thailand.
 * – The first ("Genesis") block of the of the  and decentralized payment system  is established by the creator of the system, known as.
 * – ditches in the  in an accident that becomes known as the "Miracle on the Hudson" as all 155 people on board are rescued.
 * – : Hamas announces they will accept Israel Defense Forces offer of a ceasefire, ending the conflict.
 * A protest movement in Iceland culminates as the start.
 * is sworn in as the 44th, becoming the first to hold the office.
 * – Israel withdraws from the, officially ending its with . However, intermittent air strikes by both sides continue in the weeks to follow.
 * The first trial at the is held. Former  leader  is accused of training s to.
 * The ic government and collapse.   immediately resigns.
 * An took place in Indian Ocean, and was the 50th solar eclipse of.
 * The first trial at the is held. Former  leader  is accused of training s to.
 * The ic government and collapse.   immediately resigns.
 * An took place in Indian Ocean, and was the 50th solar eclipse of.

February

 * is enthroned as the of the  following the death of his predecessor,  in 2008.
 * is appointed as the new, becoming the world's first openly.
 * – Soldiers of i border security force (BDR)  and take the commanding army officers and their families hostages at the force's headquarters in, . 57 army officers are killed along with 17 civilians by the mutineers.
 * – Former  is acquitted by the  regarding s during the.
 * – Former  is acquitted by the  regarding s during the.

March

 * – The President of, , is assassinated during an armed attack on his residence in.
 * – The issues an arrest warrant for   for s and  in . al-Bashir is the first sitting  to be indicted by the ICC since its establishment in 2002.
 * – 's, a space that will search for  in the  galaxy, is launched from , , USA.
 * – The President of, , is overthrown in a , following a month of unrest in.

April

 * – and  are admitted to, becoming the newest members of the organization.
 * – Three Officers are  responding to a domestic dispute in the  section of the city.
 * – launches a rocket from its, which it says is carrying the  , prompting an emergency meeting of the.
 * – near, Italy, killing 308 and injuring more than 1,500.
 * – launches The.

May

 * – Following more than a quarter-century of fighting, the ends with the total military defeat of the.
 * – announces that it has conducted a second successful  in . The  condemns the reported test.

June

 * –, en route from , Brazil, to Paris, crashes into the Atlantic Ocean, killing all 228 on board.
 * – The of the, commonly referred to as "swine flu", is deemed a global.
 * – following a  in which  was reelected president, the largest demonstrations in the country since the.
 * – NASA launches the /  probes to the Moon, the first American lunar mission since  in.
 * – gains self-rule.
 * – The ousts   in a, which is condemned worldwide.
 * – crashes off the coast of, killing all but  of the 153 passengers and crew.

July

 * – crashes near, , killing all 168 on board.
 * – 's national, the i, votes to the EU.
 * – The, lasting up to 6 minutes and 38.8 seconds, occurs over parts of Asia and the Pacific Ocean.
 * – The Islamic extremist group initiates  in Bauchi State, Nigeria and quickly spreads throughout the northern part of the country.

August

 * – becomes the first South American country to declare the right of indigenous people to govern themselves.
 * – hits, killing 673 and stranding more than 1,000 via the worst flooding on the island in half a century.
 * – The United Kingdom imposes on the  after an inquiry that found evidence of.

September

 * – At least 157 demonstrators by the  at the  during a protest against the government that came to power in a  the previous year.
 * – A 7.6, with a maximum  of VIII (Severe), leaving at least 1,115 people dead.

October

 * – s announce the discovery of an  ramidus fossil skeleton, deeming it the oldest remains of a human ancestor yet found.
 * holds a on the 's . The amendment is approved by the Irish electorate, having been rejected in the  held last year.
 * The awards  the right to host the.
 * – in, , kill 155 people and injure at least 721 people.
 * – in, , kill 155 people and injure at least 721 people.

November

 * The Czech Republic becomes the final of the  to sign the, thereby permitting that document's initiation into.
 * The, , is designated the first permanent , a position he takes up on December 1, 2009.
 * – Having analyzed the data from the lunar impact,  announces that it has found a "significant" quantity of  in the 's  crater.
 * – In the, at least in the province of , in what the  called the single deadliest attack on journalists in history.
 * – In the, at least in the province of , in what the  called the single deadliest attack on journalists in history.

December

 * – The comes into force.
 * – – The 's is held in, Denmark.
 * – in,  kill at least 127 people and injure at least 448 more.
 * – 's , which has since been the highest-grossing film of all time, premieres in the United Kingdom.
 * – discover, the first-known  on which  could exist.