1921 deaths

Russian revolutionary socialist and philosopher (1842–1921)

Russian poet (1880–1921)

Luxembourgish physicist nationalized French (1845-1921)

Italian opera singer (1873–1921)

French composer, organist, conductor and pianist (1835–1921)

Bulgarian writer and poet (1850-1921)

German politician (1856–1921)

Ukrainian-born Russian writer

American astronomer and human calculator (1868–1921)

founder of the Austrian School of economics (1840–1921)

Austrian Jewish pacifist, publicist, journalist and Nobel Peace Prize laureate (1864–1921)

'''ʻAbdu'l-Bahá (; Persian: , ;, 23 May 1844 – 28 November 1921), born ʻAbbás''' (, ), was the eldest son of Baháʼu'lláh, founder of the Bahá’í Faith, who designated him to be his successor and head of the Baháʼí Faith from 1892 until 1921. ʻAbdu'l-Bahá was later cited as the last of three "central figures" of the religion, along with Baháʼu'lláh and the Báb, and his writings and authenticated talks are regarded as sources of Baháʼí sacred literature.

Turkish Ottoman politician (1874–1921)

Serbian noble (1844–1921); King of Serbia from 1903 to 1918

Scottish inventor

Prince and King of Montenegro (1841–1921)

Russian poet (1886-1921)

Austrian anti-communist general (1886-1921)

Prime Minister of Japan from 1918 to 1921

Polish chemical engineer (1857–1921)

King of Bavaria (1845-1921)

French writer (1862–1921)

Chinese translator (1854–1921)

Princess Imperial of the Empire of Brazil (1846-1921)

Russian scientist in mechanics and aerohydrodinamics

German Empress and Queen of Prussia (1858–1921)

German microbiologist (1852–1921)

Spanish author, editor (1851–1922)

German composer (1854–1921)

Finnish author and journalist (1861-1921)

Ukrainian composer, ethnomusicologist, and conductor (1877–1921)

Polish novelist, prose writer, publicist, feuilletonist, theatre critic, stage actress (1857–1921)

Swedish archaeologist (1843-1921)

Ashanti Queen Mother and military leader

Nobleman and naval officer (1854–1921)

King of Württemberg (1891-1918)

American-born British mother of Winston Churchill (1854–1921)

German antisemitic philosopher and economist (1833-1921)

Scottish marine biologist and polar explorer (1867-1921)

French statesman (1835-1921)

Hungarian orientalist, scholar (1850-1921)

French writer (1855–1921)

German mathematician (1843-1921)

American zoologist and ornithologist (1838–1921)

German politician (1875–1921)

Spanish author (1856-1921)

German philologist (1846–1921)

Austrian politician (1842-1921)

French philosopher and historian (1845–1921)

Tamil poet, social reformer, fighter for Indian freedom & women's rights

Indian Islamic scholar and reformer, regarded as a founder of the Barelvi movement (1856–1921)

Field Marshal (1855–1921)

French painter (1838-1921)

German general (1846–1921)

Belgian painter (1858–1921)

German astronomer (1832–1921)

Ottoman grand vizier (1865–1921)

American astronomer (1838–1921)

Swedish operatic soprano (1843-1921)

thumb|Notes of Žemaitė Žemaitė (, , "Samogitian woman") was the pen name of Julija Beniuševičiūtė-Žymantienė ( – 7 December 1921). She was a Lithuanian/Samogitian writer, democrat and lecturer. Born to impoverished gentry, she became one of the major participants in the Lithuanian National Revival. She wrote about peasant life in the style best described as realism.