1925



Peristiwa 
 Keanggotaan di Volksraad ditetapkan 60:30; 60 orang Belanda, 25 Indonesia, dan 5 anggota lainnya keturunan Arab atau Tionghoa.
 17 Juni - Perjanjian Anti-Penggunaan Senjata Kimia

Kelahiran 
 
 2 Januari - Patrice Lumumba, Perdana Menteri dan Menteri Pertahanan Republik Demokratik Kongo.
 12 Januari - Pang Tjin Nio, seniman dan penyanyi lagu dalem Gambang Kromong klasik tiga zaman (w. 2014)
 2 Februari - Pramoedya Ananta Toer.
 14 Februari - Robert Wolter Monginsidi, Malalayang.
 20 Mei - Ahmed Shawki Ibrahim, dokter dan presenter dari program Mesir, Presiden Akademi Riset Ilmiah dari Quran dan alhi Sunnah.
 11 Juni - William Styron, Novelis dari Amerika Serikat.
 19 Juni - D.I. Pandjaitan, Pahlawan Revolusi Indonesia (w. 1965).
 10 Juli – Mahathir Mohamad, Perdana Menteri Malaysia
 25 Juli – Sarwo Edhie Wibowo, mantan komandan RPKAD.
 25 September - Hasan di Tiro, politisi Aceh, tokoh pendiri Gerakan Aceh Merdeka (w. 2010).
 24 November - Yosaphat Sudarso, Salatiga.
 30 November - Bill Gates Sr. (w. 2020)
 25 Desember - H.Bokir, seniman lenong Betawi (w. 2002)

Kematian

January–February 
 4 Januari – Nellie Cashman, Irish-born prospector (b. 1845)
 8 Januari – George Bellows, American artist (b. 1882)
 14 Januari
 Camille Decoppet, Swiss Federal Councilor (b. 1852)
 Harry Furniss, English cartoonist, illustrator and pioneer animator (b. 1854)
 26 Januari
 Caspar F. Goodrich, American admiral (d. 1847)
 Sir James Mackenzie, Scottish cardiologist (d. 1853)
 31 Januari – George Washington Cable, American writer (b. 1844)
 2 Februari – Jaap Eden, Dutch speed skater (b. 1873)
 3 Februari – Oliver Heaviside, English mathematician (b. 1850)
 4 Februari – Robert Koldewey, German architect and archaeologist (b. 1855)
 10 Februari – Aristide Bruant, French singer and nightclub owner (b. 1851)
 11 Februari – H.E. Beunke, Dutch writer (b. 1851)
 18 Februari – James Lane Allen, American writer (b. 1849)
 24 Februari – Hjalmar Branting, Prime Minister of Sweden, recipient of the Nobel Peace Prize (b. 1860)
 25 Februari – Louis Feuillade, French silent film director (b. 1873)
 28 Februari – Friedrich Ebert, President of Germany (Weimar Republic) (b. 1871)

March–April 
 2 Maret – Luigj Gurakuqi, Albanian freedom fighter (assassinated) (b. 1879)
 4 Maret
 Moritz Moszkowski, Polish composer (b. 1854)
 James Ward, English philosopher and psychologist (b. 1843)
 John Montgomery Ward, American baseball player (b. 1860)
 5 Maret – Clement Ader, French Army Captain and Aviation pioneer (b. 1841)
 7 Maret – Georgy Evgenyevich Lvov, Prime Minister of Russia (b. 1861)
 10Maret – Myer Prinstein, American track athlete (b. 1878)
 12 Maret
 Gergely Luthár, Hungarian Slovene writer (b. 1841)
 Sun Yat-sen, Chinese revolutionary (b. 1866)
 14 Maret
 Walter Camp, American football coach (b. 1859)
 H. Rider Haggard, English novelist (b. 1856)
 20 Maret – George Nathaniel Curzon, 1st Marquess Curzon of Kedleston, Viceroy of India (b. 1859)
 28 Maret – Henry Rawlinson, 1st Baron Rawlinson, British general (b. 1864)
 30 Maret – Rudolf Steiner, Austrian philosopher (b. 1861)
 6 April – Alexandra Kitchin, British model for Lewis Carroll (b. 1864)
 7 April – Tikhon of Moscow, Patriarch of the Russian Orthodox Church (b. 1865)
 13 April – Elwood Haynes, American inventor (b. 1857)
 14 April – John Singer Sargent, American artist (b. 1856)
 15 April – Fritz Haarmann, German serial killer (executed) (b. 1879)
 19 April – John Walter Smith, American politician (b. 1845)
 22 April – André Caplet, French composer and conductor (b. 1878)

May–June 
 2 Mei
 Johann Palisa, Austrian astronomer (b. 1848)
 Antun Branko Simic, Croatian poet (b. 1898)
 7 Mei
 William Hesketh Lever, English industrialist, Philanthropist and politician (b. 1851)
 Doveton Sturdee, British admiral (b. 1859)
 10 Mei – William Massey, Prime Minister of New Zealand (b.1856)
 12 Mei
 Amy Lowell, American poet (b. 1874)
 Charles Mangin, French general (b. 1866)
 14 Mei – H. Rider Haggard, English writer (b. 1856)
 20 Mei
 Elias M. Ammons, Governor of Colorado (b. 1860)
 Joseph Howard, 1st Prime Minister of Malta (b. 1862)
 21 Mei – Hidesaburō Ueno, Japanese agricultural scientist and guardian of Hachikō (b. 1871)
 22 Mei – John French, 1st Earl of Ypres, British World War I field marshal (b. 1852)
 31 Mei – John Palm, Curaçao born composer (b. 1885)
 1 Juni
 Lucien Guitry, French actor (b. 1860)
 Thomas R. Marshall, Vice President of the United States (b. 1854)
 2 Juni – James Ellsworth, American mine owner and banker (b. 1849)
 16 Juni – Emmett Hardy, American jazz cornetist (b. 1903)
 17 Juni – Adolf Pilar von Pilchau, Baltic German politician, regent of the United Baltic Duchy and baron (b. 1851)
 18 Juni – Robert M. La Follette, Sr., American politician (b. 1855)
 22 Juni – Felix Klein, German mathematician (b. 1849)
 29 Juni – Christian Michelsen, Prime Minister of Norway (b. 1857)

July–August 
 1 Juli – Erik Satie, French composer (b. 1866)
 7 Juli – Clarence Hudson White American photographer (b. 1871)
 14 Juli – Pancho Villa, Filipino world boxing champion (b. 1901)
 17 Juli – Lovis Corinth, German painter (b. 1858)
 26 Juli
 Antonio Ascari, Italian race car driver (b. 1888)
 William Jennings Bryan, American lawyer and politician (b. 1860) (diabetes and fatigue)
 Gottlob Frege, German mathematician and philosopher (b. 1848)
 15 Agustus – Konrad Mägi, Estonian landscape painter (b. 1878)
 17 Agustus – Ioan Slavici, Romanian writer (b. 1848)
 25 Agustus – Franz Graf Conrad von Hötzendorf, Austrian field marshal (b. 1852)

September–October 
 7 September – René Viviani, Prime Minister of France (b. 1863)
 16 September – Alexander Alexandrovich Friedman, Russian mathematician (b. 1888)
 17 September – Carl Eytel, German-American artist working in Palm Springs, California (b. 1862)
 29 September – Léon Bourgeois, French statesman, recipient of the Nobel Peace Prize (b. 1851)
 7 Oktober – Christy Mathewson, American baseball player (b. 1880)
 31 Oktober
 Mikhail Frunze, Russian Bolshevik leader (b. 1885)
 Max Linder, French silent film actor (b. 1883) (suicide)

November–December 
 1 November – Lester Cuneo, American actor (b. 1888)
 3 November – Lucile McVey, American actress, part of comedy team with her late husband Sidney Drew (b. 1890)
 6 November – Khai Dinh, Emperor of Vietnam (b. 1885)
 20 November – Alexandra of Denmark, queen of Edward VII of the United Kingdom (b. 1844)
 25 November – King Vajiravudh of Siam (b. 1880)
 5 Desember – Wladyslaw Reymont, Polish writer, Nobel Prize laureate (b. 1867)
 8 Desember – Marguerite Marsh, American actress (b. 1888)
 9 Desember – Pablo Iglesias, co-founder of the Spanish Socialist Workers Party (b. 1850)
 15 Desember – Battling Siki, Senegalese boxer (b. 1897)
 19 Desember – Jose Ignacio Quinton, Puerto Rican composer and pianist (b. 1881)
 21 Desember
 Lottie Lyell, Australian female pioneer film director and producer (b. 1890)
 Jules Méline, Prime Minister of France (b. 1838)
 22 Desember
 Alice Heine, American wife of Albert I of Monaco (b. 1858)
 Mary Thurman, American actress (b. 1895)
 25 Desember – Karl Abraham, German psychoanalyst (b. 1877)
 28 Desember
 Raymond P. Rodgers, American admiral (b. 1849)
 Sergei Aleksandrovich Yesenin, Russian lyrical poet (b. 1895)
 29 Desember – Félix Vallotton, Swiss painter (b. 1865)
 31 Desember – J. Gordon Edwards, Canadian film director (b. 1867)

1920-an