UK, 
US, 
Australia & 
IrelandAt A Glance
21 December 2010 at a glance
- Day of the week
- 21 December 2010 was a Tuesday.
- Billboard Hot 100 No. 1
- The Billboard Hot 100 No. 1 was “Firework” by Katy Perry.
- Top Film of 2010
- The highest-grossing film worldwide released in 2010 was Toy Story 3.
- Bestselling Novel of 2010
- “The Girl Who Kicked the Hornet's Nest” by Stieg Larsson was No. 1 on Publishers Weekly's US fiction list for 2010.
- Top-Rated TV Show
- “American Idol” (FOX) was No. 1 in the Nielsen ratings for the 2010–11 season.
- Star sign
- The star sign for 21 December is Sagittarius.
- Chinese zodiac
- In the Chinese zodiac, 21 December 2010 fell in the Year of the Tiger.
- Birthstone
- The birthstone for December is Turquoise.
- Moon phase
- The moon phase on 21 December 2010 was Full Moon.
On this day: 21 December
- 1995 The city of Bethlehem passes from Israeli to Palestinian control.
- 1999 The Spanish Civil Guard intercepts a van loaded with 950 kg of explosives that ETA intended to use to blow up Torre Picasso in Madrid, Spain.
- 2012 2012 phenomenon: Festivities are held in parts of Mesoamerica to commemorate the conclusion of b'ak'tun 13, a roughly 5,126-year-long cycle in the Mesoamerican Long Count Calendar whose passing many New Age spiritualists had earlier held to portend a variety of cataclysmic or transformative events.
- 2020 A great conjunction of Jupiter and Saturn occurs, with the two planets separated in the sky by 0.1 degrees. This is the closest conjunction between the two planets since 1623.
- 2022 A Vega C rocket carrying two Pléiades Neo satellites fails after liftoff.
Famous people born on December 21
- Jane Fonda, American actress and activist (born 1937)
- Madelyn Cline, American actress and model (born 1997)
- Samuel L. Jackson, American actor and producer (born 1948)
- Emmanuel Macron, French politician, 25th President of France (born 1977)
Source: Wikipedia (CC BY-SA 4.0)
Choose your country: the charts, news and leaders change to match.
Events of 2010 in the United States
A selection from Wikipedia's '2010 in the United States'. Not a complete list.
- April 5 – Adventure Time premieres on Cartoon Network.
- May 7 – Iron Man 2, directed by Jon Favreau, is released by Marvel Studios as the third film in the Marvel Cinematic Universe (MCU) and the direct sequel to 2008's Iron Man.
- June 18 – Pixar Animation Studios' eleventh feature film, Toy Story 3, the sequel to 1999's Toy Story 2, is released in theaters, surpassing 2003's Finding Nemo as the studio's biggest financial success.
Life in the US in 2010
President
Barack Obama
Gas (per gallon)
$2.78
Loaf of Bread
$1.64
Average House
$222,900
Weekly Wage
$718
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