UK, 
US, 
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IrelandAt A Glance
31 March 2011 at a glance
- Day of the week
- 31 March 2011 was a Thursday.
- Billboard Hot 100 No. 1
- The Billboard Hot 100 No. 1 was “Born This Way” by Lady Gaga.
- Top Film of 2011
- The highest-grossing film worldwide released in 2011 was Harry Potter and the Deathly Hallows – Part 2.
- Bestselling Novel of 2011
- “The Litigators” by John Grisham was No. 1 on Publishers Weekly's US fiction list for 2011.
- Top-Rated TV Show
- “Sunday Night Football” (NBC) was No. 1 in the Nielsen ratings for the 2011–12 season.
- Star sign
- The star sign for 31 March is Aries.
- Chinese zodiac
- In the Chinese zodiac, 31 March 2011 fell in the Year of the Rabbit.
- Birthstone
- The birthstone for March is Aquamarine.
- Moon phase
- The moon phase on 31 March 2011 was Waning Crescent.
On this day: 31 March
- 1998 Netscape releases Mozilla source code under an open source license.
- 2005 The dwarf planet Makemake is discovered by a team led by astronomer Michael E. Brown at the Palomar Observatory.
- 2016 NASA astronaut Scott Kelly and Roscosmos cosmonaut Mikhail Kornienko return to Earth after a yearlong mission at the International Space Station.
- 2018 Start of the 2018 Armenian revolution.
- 2023 A historic tornado outbreak occurs in the American Midwest and South.
Famous people born on March 31
- Ewan McGregor, Scottish actor (born 1971)
- Christopher Walken, American actor (born 1943)
- Angus Young, Scottish-Australian guitarist and songwriter (born 1955)
- Rhea Perlman, American actress (born 1948)
Source: Wikipedia (CC BY-SA 4.0)
Choose your country: the charts, news and leaders change to match.
Events of 2011 in the United States
A selection from Wikipedia's '2011 in the United States'. Not a complete list.
- February 27 – The 83rd Academy Awards, hosted by James Franco and Anne Hathaway, are held at Kodak Theatre in Hollywood. Tom Hooper's The King's Speech wins four awards out of 12 nominations, including Best Picture and Best Director.
- March 11 – Following the Tōhoku earthquake and tsunami, the Pacific Tsunami Warning Center issues a tsunami warning to parts of the U.S. West Coast along the affected coastal areas in Alaska, Hawaii and the U.S. Territories in the Pacific Ocean.
- April 15 – Rio is released in theaters.
Life in the US in 2011
President
Barack Obama
Gas (per gallon)
$3.52
Loaf of Bread
$1.74
Average House
$242,300
Weekly Wage
$737
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