The almanac
The 2011 Edition
Includes The Day of Seven Billion (October 31)
Limited to about 144 million copies: the babies born worldwide in 2011. About 137 million are still in circulation.
Estimates from the UN World Population Prospects 2024. How we count
What happened in 2011
- IBM's Watson won at Jeopardy!The computer beat the quiz show's two greatest champions in a televised match.February · Source: IBM
- Rolling in the Deep hit No. 1Adele's breakup anthem climbed to the top of the Billboard Hot 100.May 21 · Source: Billboard
- The last Harry Potter movie openedDeathly Hallows Part 2 brought the young wizard's film story to an end.July 15 · Source: The Numbers
- Japan won the Women's World CupJapan tied the US 2 to 2 and won the final on penalties in Frankfurt.July 17 · Source: RSSSF
- The space shuttle era endedAtlantis landed in Florida after the 135th and final shuttle mission.July 21 · Source: NASA
- The Curiosity rover launchedNASA sent a car-size rover to look for signs Mars could have supported life.November 26 · Source: NASA
No. 1 songs of 2011
- FireworkKaty Perry · first week at No. 1: January 1, 2011
- GrenadeBruno Mars · first week at No. 1: January 8, 2011
- Hold It Against MeBritney Spears · first week at No. 1: January 29, 2011
- Black And YellowWiz Khalifa · first week at No. 1: February 19, 2011
- Born This WayLady Gaga · first week at No. 1: February 26, 2011
- E.T.Katy Perry Featuring Kanye West · first week at No. 1: April 9, 2011
- S&MRihanna Featuring Britney Spears · first week at No. 1: April 30, 2011
- Rolling In The DeepAdele · first week at No. 1: May 21, 2011
- Give Me EverythingPitbull Featuring Ne-Yo, Afrojack & Nayer · first week at No. 1: July 9, 2011
- Party Rock AnthemLMFAO Featuring Lauren Bennett & GoonRock · first week at No. 1: July 16, 2011
- Last Friday Night (T.G.I.F.)Katy Perry · first week at No. 1: August 27, 2011
- Moves Like JaggerMaroon 5 Featuring Christina Aguilera · first week at No. 1: September 10, 2011
- Someone Like YouAdele · first week at No. 1: September 17, 2011
- We Found LoveRihanna Featuring Calvin Harris · first week at No. 1: November 12, 2011
Billboard Hot 100, chart weeks of 2011. Spotted a mistake?
If you were born in 2011
- Older than the Higgs bosonCERN scientists announced the discovery of the Higgs boson on July 4, 2012.
- Older than the Curiosity roverNASA's Curiosity rover landed on Mars (August 5 in US time zones; August 6 in UTC) on August 6, 2012.
- Older than the Apple WatchThe Apple Watch went on sale on April 24, 2015.
- Older than the Pluto flybyNASA's New Horizons became the first spacecraft to fly past Pluto on July 14, 2015.
- Younger than the iPadThe first iPad went on sale in the US on April 3, 2010.
- Younger than Usain Bolt's 9.58 recordUsain Bolt ran 100 meters in 9.58 seconds, the world record on August 16, 2009.
- Younger than the KindleAmazon introduced the Kindle e-reader and put it on sale on November 19, 2007.