UK, 
US, 
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IrelandAt A Glance
31 December 2021 at a glance
- Day of the week
- 31 December 2021 was a Friday.
- ARIA No. 1
- The ARIA No. 1 was “Cold Heart (Pnau remix)” by Elton John and Dua Lipa.
- Top Film of 2021
- The highest-grossing film worldwide released in 2021 was Spider-Man: No Way Home.
- Best-Selling Vehicle of 2021
- Australia's top-selling new vehicle in 2021 was the Toyota HiLux.
- Star sign
- The star sign for 31 December is Capricorn.
- Chinese zodiac
- In the Chinese zodiac, 31 December 2021 fell in the Year of the Ox.
- Birthstone
- The birthstone for December is Turquoise.
- Moon phase
- The moon phase on 31 December 2021 was Waning Crescent.
On this day: 31 December
- 2009 Both a blue moon and a lunar eclipse occur.
- 2011 NASA succeeds in putting the first of two Gravity Recovery and Interior Laboratory satellites in orbit around the Moon.
- 2015 A fire breaks out at the Downtown Address Hotel in Downtown Dubai, United Arab Emirates, located near the Burj Khalifa, two hours before the fireworks display is due to commence. Sixteen injuries were reported; one had a heart attack, another suffered a major injury, and fourteen others with minor injuries.
- 2019 The World Health Organization is informed of cases of pneumonia with an unknown cause, detected in Wuhan. This later turned out to be COVID-19, the cause of the COVID-19 pandemic.
- 2020 The World Health Organization issues its first emergency use validation for a COVID-19 vaccine.
Famous people born on 31 December
- Val Kilmer, American actor (1959–2025)
- Sophia Laforteza, Filipino-American singer (born 2002)
- Alex Ferguson, Scottish footballer and manager (born 1941)
- Charles Edward Stuart, Scottish claimant to the throne of England (1720–1788)
Source: Wikipedia (CC BY-SA 4.0)
Choose your country: the charts, news and leaders change to match.
Events of 2021 in Australia
A selection from Wikipedia's '2021 in Australia'. Not a complete list.
- 1 January – The words of the Australian national anthem, "Advance Australia Fair", are changed for the first time since 1984, amending the line "For we are young and free" to "For we are one and free".
- 15 February – 142,000 doses of the Pfizer–BioNTech COVID-19 vaccine arrived in Australia.
- 13 March – The 2021 Western Australian state election is held with the incumbent McGowan Labor government winning with an increased majority.
Life in Australia in 2021
Prime Minister
Scott Morrison
Monarch
Queen Elizabeth II
Petrol (per litre)
$1.45
Loaf of Bread
$3.90
Average House
$720,000
Weekly Wage
$1,770.00
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