1921 (MCMXXI) was a common year starting on Saturday in the Gregorian calendar and a common year starting on Friday in the Julian calendar. The Gregorian calendar was 13 days ahead of the Julian calendar. The Julian calendar remained in localized use until 1923.

Millennium: 2nd millennium
Centuries: 19th century20th century21st century
Decades: 1890s  1900s  1910s  – 1920s –  1930s  1940s  1950s
Years: 1918 1919 192019211922 1923 1924
1921 in other calendars
Gregorian calendar1921
MCMXXI
Ab urbe condita2674
Armenian calendar1370
ԹՎ ՌՅՀ
Assyrian calendar6671
Bahá'í calendar77–78
Balinese saka calendar1842–1843
Bengali calendar1328
Berber calendar2871
British Regnal year11 Geo. 5 – 12 Geo. 5
Buddhist calendar2465
Burmese calendar1283
Byzantine calendar7429–7430
Chinese calendar庚申(Metal Monkey)
4617 or 4557
    — to —
辛酉年 (Metal Rooster)
4618 or 4558
Coptic calendar1637–1638
Discordian calendar3087
Ethiopian calendar1913–1914
Hebrew calendar5681–5682
Hindu calendars
 - Vikram Samvat1977–1978
 - Shaka Samvat1842–1843
 - Kali Yuga5021–5022
Holocene calendar11921
Igbo calendar921–922
Iranian calendar1299–1300
Islamic calendar1339–1340
Japanese calendarTaishō 10
(大正10年)
Javanese calendar1851–1852
Juche calendar10
Julian calendarGregorian minus 13 days
Korean calendar4254
Minguo calendarROC 10
民國10年
Nanakshahi calendar453
Thai solar calendar2463–2464
Tibetan calendar阳金猴年
(male Iron-Monkey)
2047 or 1666 or 894
    — to —
阴金鸡年
(female Iron-Rooster)
2048 or 1667 or 895

Events

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Births

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January

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Jean, Grand Duke of Luxembourg
 
Patricia Highsmith
 
Donna Reed
 
Carol Channing

February

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Betty Friedan
 
K. R. Narayanan
 
Lana Turner
 
Hua Guofeng
 
Suharto
 
Jean-Bédel Bokassa
 
Abdul Salam Arif
 
Vasily Smyslov
 
Nancy Kelly
 
Yitzhak Navon
 
Thomas Schelling
 
Karel Appel
 
Satyajit Ray
 
Andrei Sakharov
 
Jack Steinberger
 
Prince Philip, Duke of Edinburgh
 
Jane Russell
 
Nancy Reagan
 
Geoffrey Wilkinson
 
John Glenn
 
Giuseppe Di Stefano

August

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Esther Williams

September

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Willem Frederik Hermans
 
Deborah Kerr

October

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Francisco Morales-Bermúdez
 
Gunnar Nordahl

November

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Alexander Dubček

December

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Steve Allen

Deaths

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January

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February

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August

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September

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October

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November

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December

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Sports

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  • Kentucky Derby winner, Behave Yourself