What is 1921?
{{Year nav|1921}} {{Year in various calendars|1921}} '''1921''' ([[Roman numerals|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. == Events == * [[Albert Einstein]] receives the [[Nobel Prize]] in [[Physics]]. * [[Partition of Ireland]] (May 3rd) * [[Tulsa race massacre|Tulsa Race Massacre]] in [[Oklahoma]], [[United States]] (May 31st-June 1st) * [[Karl Gareis]] is murdered in [[Munich]], [[Germany]] (June 9th) * Insulin is invented in [[Canada]] by [[Frederick Banting]] and [[Charles Best]] (July 27th) * [[Mathias Ezberger|Matthias Erzberger]] is murdered in Germany (August 25th) * A hurricane devastates [[Tampa Bay]], [[Florida]] (October 20th-October 30th) * [[Anglo-Irish Treaty]] signed (December 6th) == Births == === January === [[File:GD Jean 1967.jpg|thumb|110px|[[Jean, Grand Duke of Luxembourg]]]] [[File:Patricia-Highsmith-1962.jpg|thumb|110px|[[Patricia Highsmith]]]] [[File:DOnnaREed.jpg|thumb|110px|[[Donna Reed]]]] [[File:Carol Channing colour Allan Warren.jpg|thumb|110px|[[Carol Channing]]]] * [[January 5]] – [[Jean, Grand Duke of Luxembourg]] (d. [[2019]]) * [[January 17]] – [[Antonio Prohias]] Cuban-American cartoonist (d. [[1998]]) * [[January 19]] – [[Patricia Highsmith]], American writer (d. [[1995]]) * [[January 27]] - [[Donna Reed]], American actress (d. [[1986]]) * [[January 29]] – [[Mustafa Ben Halim]], 3rd [[List of heads of government of Libya|Prime Minister of Libya]] (d. [[2021]]) * [[January 31]] – [[Carol Channing]], American actress and singer (d. [[2019]]) === February === [[File:Betty Friedan 1960.jpg|thumb|110px|[[Betty Friedan]]]] [[File:President Clinton with Indian president K. R. Narayanan (cropped).jpg|thumb|110px|[[K. R. Narayanan]]]] [[File:Lana Turner 1940s publicity portrait.jpg|thumb|110px|[[Lana Turner]]]] [[File:Hua Guofeng.jpg|thumb|110px|[[H