Editing 1918 (section)

== Deaths ==
{{BDToC|deaths}}

=== January ===
[[File:Georg Cantor2.jpg|thumb|100px|[[Georg Cantor]]]]
[[File:Dolores sopeña pensativa.jpg|thumb|100px|[[María Dolores Rodríguez Sopeña]]]]
* [[January 2]] – [[Katharine A. O'Keeffe O'Mahoney]], Irish-born American teacher and writer (b. [[1855]])
* [[January 6]] – [[Georg Cantor]], German mathematician (b. [[1845]])
* [[January 8]]
** [[Johannes Pääsuke]], Estonian photographer, filmmaker (b. [[1892]])
** [[Ellis H. Roberts]], American politician (b. [[1827]])
* [[January 9]]
** [[Max Ritter von Müller]], German World War I fighter ace (killed in action) (b. [[1887]])
** [[Charles-Émile Reynaud]], French inventor (b. [[1844]])
* [[January 10]] – [[María Dolores Rodríguez Sopeña]], Spanish [[Roman Catholic]] religious sister and Blessed (b. [[1848]])
* [[January 21]] – [[Emil Jellinek]], German automobile entrepreneur (b. [[1853]]) 
* [[January 26]] – [[Grand Duke Nicholas Konstantinovich of Russia]] (b. [[1850]])
* [[January 28]] – [[John McCrae]], Canadian soldier, surgeon and poet (b. [[1872]])
* [[January 31]] – [[Ivan Puluj]], Ukrainian physicist and inventor (b. [[1845]])

=== February ===
[[File:Leonilla Ivanovna Baryatinskaya.jpg|thumb|right|110px|[[Princess Leonilla Bariatinskaya]]]]
[[File:Klimt.jpg|thumb|100px|[[Gustav Klimt]]]]
[[File:Sultan Abdul Hamid II of the Ottoman Empire.jpg|thumb|100px|Sultan [[Abdul Hamid II]]]]
* [[February 1]] – [[Princess Leonilla Bariatinskaya]], Russian aristocrat (b. [[1816]])
* [[February 2]] – [[John L. Sullivan]], American boxer, World Heavyweight Champion (b. [[1858]])
* [[February 4]] – [[Akiyama Saneyuki]], Japanese admiral (b. [[1868]])
* [[February 6]] – [[Gustav Klimt]], Austrian painter (b. [[1862]]), [[Spanish flu]]
* [[February 8]] – [[Louis Renault (jurist)|Louis Renault]], French jurist, educator and [[Nobel Peace Prize|Nobel Prize]] laureate (b. [[1843]])
* [[February 10]] 
** Sultan [[Abdul Hamid II]] of the Ottoman Empire (b. [[1842]])
** [[Ernesto Teodoro Moneta]], Italian pacifist, [[Nobel Peace Prize|Nobel Prize]] laureate (b. [[1833]])
* [[February 11]] – [[Alexey Kaledin]], Russian general (suicide) (b. [[1861]])
* [[February 14]] – [[Cecil Spring Rice|Sir Cecil Spring Rice]], British diplomat (b. [[1859]])
* [[February 15]] – [[Vernon Castle]], British-born American dancer (b. [[1887]])
* [[February 16]] – [[Károly Khuen-Héderváry]], 2-time [[Prime Minister of Hungary]] (b. [[1849]])
* [[February 23]] 
** [[Adolphus Frederick VI, Grand Duke of Mecklenburg-Strelitz]] (b. [[1882]])
**[[Thomas Brassey, 1st Earl Brassey]], British politician and colonial administrator (b. [[1836]])

=== March ===
[[File:Claude Debussy by Atelier Nadar.jpg|thumb|100px|[[Claude Debussy]]]]
[[File:Martin Sheridan.jpg|thumb|100px|[[Martin Sheridan]]]]
* [[March 2]] – [[Prince Mirko of Montenegro]] (b. [[1879]])
* [[March 9]] – [[Frank Wedekind]], German playwright (b. [[1864]])
* [[March 10]] – [[Hans-Joachim Buddecke]], German flying ace (killed in action) (b. [[1890]])
* [[March 13]] – [[César Cui]], Lithuanian composer (b. [[1835]])
* [[March 14]]
** [[Lucretia Garfield]], [[First Lady of the United States]] (b. [[1832]])
** [[Gennaro Rubino]], Italian anarchist who unsuccessfully tried to assassinate King Leopold II of Belgium (b. [[1859]])
* [[March 15]] – [[Adolf Ritter von Tutschek]], German fighter ace (killed in action) (b. [[1891]])
* [[March 23]] – [[T. P. Cameron Wilson]], English poet, novelist (b. [[1888]])
* [[March 25]]
** [[Claude Debussy]], French composer (b. [[1862]])
** [[Walter Tull]], first Black infantry officer to serve in the British Army (b. [[1888]])
* [[March 27]]
** [[Henry Adams]], American historian (b. [[1838]])
** [[Martin Sheridan]], American Olympic athlete (b. [[1881]]), [[Spanish flu]]

=== April ===
[[File:Ferdinand Braun.jpg|thumb|100px|[[Karl Ferdinand Braun]]]]
[[File:Manfred von Richthofen.jpg|thumb|100px|right|[[Manfred von Richthofen]]]]
[[File:Gavrilloprincip.jpg|thumb|100px|[[Gavrilo Princip]]]]
* [[April 1]]
**[[Isaac Rosenberg]], British war poet (killed in action) (b. [[1890]])
**[[Paul von Rennenkampf]], Russian general (executed) (b. [[1854]])
* [[April 4]] – [[Hermann Cohen]], German philosopher (b. [[1842]])
* [[April 5]] – King [[George Tupou II]] of Tonga (b. [[1874]])
* [[April 11]] – [[Otto Wagner]], Austro-Hungarian architect, urban planner (b. [[1841]])
* [[April 19]] – [[William Hope Hodgson]], English author (b. [[1877]])<ref>{{Cite web|url=https://www.fantasticfiction.com/h/william-hope-hodgson/|title=William Hope Hodgson|website=www.fantasticfiction.com}}</ref>
* [[April 20]]
** [[Jussi Merinen]], Finnish politician (executed) (b. [[1873]])<ref>{{cite web |title=Person: Merinen, Juho Rikard |url=https://sotasurmat.narc.fi/en/victims/page/p_15762/table |website=[[War Victims of Finland 1914–1922]] |publisher=[[National Archives of Finland]] |access-date=23 July 2023 |location=Helsinki, Finland}}</ref>
** [[Karl Ferdinand Braun]], German physicist, Nobel Prize laureate (b. [[1850]])
** [[Paul Gautsch von Frankenthurn]], Austrian statesman, Prime Minister (b. [[1851]])
* [[April 21]]
** [[Friedrich II, Duke of Anhalt]] (b. [[1856]])
** [[Manfred von Richthofen]], German fighter pilot, top-scoring ace of World War I (killed in action) (b. [[1892]])
* [[April 27]] – [[Jacques Duchesne]], French general (b. [[1837]])
* [[April 28]] – [[Gavrilo Princip]], Yugoslav assassin (b. [[1894]])

=== May ===
[[File:Blandine Merten.jpg|thumb|100px|right|[[Maria Magdalena Merten]]]]
* [[May 2]] 
** [[Ernie Parker]], Australian tennis champion (killed in action) (b. [[1883]])
** [[Jüri Vilms]], Estonian politician (b. [[1889]])
* [[May 14]] – [[James Gordon Bennett Jr.]], American newspaper publisher (b. [[1841]])
* [[May 17]] – [[William Drew Robeson I]], African-American minister, father of singer and actor Paul Robeson (b. [[1844]])
* [[May 18]] – [[Blandine Merten]], German nun and Blessed (b. [[1883]])
* [[May 19]] 
** [[Ferdinand Hodler]], Swiss painter (b. [[1853]])
** [[Raoul Lufbery]], Franco-American fighter pilot (killed in action) (b. [[1885]])
* [[May 21]]
** [[Sofia Hjulgrén]], Finnish politician (executed) (b. [[1875]])<ref>{{cite web |title=Person: Hjulgrén, Edla Sofia |url=https://sotasurmat.narc.fi/fi/victims/page/p_879/table/table |website=[[War Victims of Finland 1914–1922]] |publisher=[[National Archives of Finland]] |access-date=27 December 2023 |location=Helsinki, Finland}}</ref>
** [[Wilho Laine]], Finnish politician (executed) (b. [[1875]])<ref>{{cite web |title=Kansanedustajat: Wilho Laine |url=http://www.eduskunta.fi/triphome/bin/hex5000.sh?hnro=910875 |publisher=[[Parliament of Finland]] |access-date=27 December 2023 |archive-url=https://web.archive.org/web/20141016004243/http://www.eduskunta.fi/triphome/bin/hex5000.sh?hnro=910875 |archive-date=16 October 2014 |location=Helsinki, Finland |language=fi}}</ref>
* [[May 23]] – [[Mariano Ponce]], Filipino diplomat, politician and writer (b. [[1863]])
* [[May 24]] – [[József Kiss]], Austro-Hungarian fighter pilot (killed in action) (b. [[1896]])
* [[May 30]] – [[Georgi Plekhanov]], Russian revolutionary, philosopher (b. [[1856]])

=== June ===
[[File:Patriarch Kyrion II of Georgia.jpg|thumb|100px|right|[[Kyrion II of Georgia]]]]
* [[June 1]] – [[Roderic Dallas]], Australian fighter pilot (killed in action) (b. [[1891]])
* [[June 3]] – Count [[Richard von Bienerth-Schmerling]], Austrian noble, statesman and former Prime Minister (b. [[1863]])
* [[June 4]] – [[Charles W. Fairbanks]], [[List of Vice Presidents of the United States|26th]] [[Vice President of the United States]] (b. [[1852]])
* [[June 10]] – [[Arrigo Boito]], Italian poet, composer (b. [[1842]])
* [[June 13]] – [[Grand Duke Michael Alexandrovich of Russia|Grand Duke Michael Romanov]] (assassinated) (b. [[1878]])
* [[June 15]] – [[Frank Miles Day]], American architect (b. [[1861]])
* [[June 16]] – [[Bazil Assan]], Romanian engineer and explorer (b. [[1860]])
* [[June 19]] – [[Francesco Baracca]], Italian fighter pilot (air crash) (b. [[1888]])
* [[June 26]] – [[Kyrion II of Georgia]], Georgian [[Eastern Orthodox Church|Orthodox patriarch]], Saint (b. [[1855]])
* [[June 27]] – [[Joséphin Péladan]], French occultist (b. [[1858]])

=== July ===
[[File:Sultan_Mehmed_V_of_the_Ottoman_Empire_cropped.jpg|thumb|100px|Sultan [[Mehmed V]]]]
[[File:McCuddenportrait.jpg|thumb|100px|[[James McCudden]]]]
[[File:Quentin Roosevelt in Uniform 1917.jpg|thumb|100px|[[Quentin Roosevelt]]]]
[[File:Face Nicholas II.jpg|thumb|100px|Emperor [[Nicholas II of Russia]]]]
[[File:Henry Macintosh 1913.jpg|thumb|100px|[[Henry Macintosh]]]]
* [[July 3]] – Sultan [[Mehmed V]] of the Ottoman Empire (b. [[1844]])
* [[July 9]] – [[James McCudden]], British fighter pilot (air crash) (b. [[1895]])
* [[July 14]] – [[Quentin Roosevelt]], youngest son of United States President [[Theodore Roosevelt]], fighter pilot (killed in action) (b. [[1897]])
* [[July 17]] – Executed members of the Romanov family:
** Former Emperor [[Nicholas II of Russia]] (b. [[1868]])
** Former Empress [[Alexandra of Hesse|Alexandra Feodorovna of Russia]] (b. [[1872]])
** [[Grand Duchess Olga Nikolaevna of Russia]] (b. [[1895]])
** [[Grand Duchess Tatiana Nikolaevna of Russia]] (b. [[1897]])
** [[Grand Duchess Maria Nikolaevna of Russia]] (b. [[1899]])
** [[Grand Duchess Anastasia Nikolaevna of Russia]] (b. [[1901]])
** Former [[Alexei Nikolaevich, Tsarevich of Russia|Tsarevich Alexei Nikolaevich of Russia]] (b. [[1904]])
* [[July 18]] 
** [[Prince Constantine Constantinovich of Russia]] (executed) (b. [[1891]])
** [[Prince Igor Constantinovich of Russia]] (executed) (b. [[1894]])
** [[Grand Duke Sergei Mikhailovich of Russia]] (executed) (b. [[1869]])
** Grand Duchess Elisabeth of Russia ([[Princess Elisabeth of Hesse and by Rhine (1864–1918)|Princess Elisabeth of Hesse and by Rhine]]) (executed) (b. [[1864]])
* [[July 20]] – [[Francis Lupo]], American soldier (b. [[1895]])
* [[July 22]] 
** [[Roy Earl Parrish]], American politician (killed in action) (b. [[1888]])
** [[Manuel González Prada]], Peruvian politician, author (b. [[1844]])
** [[Indra Lal Roy]], Indian fighter pilot (killed in action) (b. [[1898]])
** [[Alexey Schastny]], Russian naval officer (executed) (b. [[1881]])
* [[July 26]]
** [[Henry Macintosh]], British Olympic athlete (killed in action) (b. [[1892]])
** [[Edward Mannock]], British fighter pilot (killed in action) (b. [[1887]])
* [[July 29]] – [[Ernest William Christmas]], Australian painter (b. [[1863]])
* [[July 30]]
**[[Hermann von Eichhorn]], German field marshal (assassinated) (b. [[1848]])
**[[Joyce Kilmer]], American journalist, poet (killed in action) (b. [[1886]])
**[[Frank Linke-Crawford]], Austro-Hungarian fighter pilot (killed in action) (b. [[1893]])
* [[July 31]] – [[George McElroy]], British fighter pilot (killed in action) (b. [[1893]])

=== August ===
[[File:Mother Marianne Cope in her youth.jpg|thumb|100px|right|[[Marianne Cope]]]]
* [[August 1]]
** [[John Riley Banister]], American policeman, cowboy (b. [[1854]])
** [[Gabriel Guérin]], French World War I fighter ace (air crash) (b. [[1892]])
* [[August 5]] – [[Peter Strasser]], German naval officer, airship commander (killed in action) (b. [[1876]])
* [[August 9]]
** [[Marianne Cope]], German-born American [[Roman Catholic]] nun and saint (b. [[1838]])
** [[František Plesnivý]], Austro-Hungarian architect (b. [[1845]])
* [[August 10]]
** [[Jean Brillant]], Canadian soldier, [[Victoria Cross]] recipient (killed in action) (b. [[1890]])
** [[Erich Löwenhardt]], German World War I fighter ace (air crash) (b. [[1897]])
** [[Aleksander Uurits]], Estonian painter, graphic artist (b. [[1888]])
* [[August 12]] – [[Anna Held]], French actress (b. [[1872]])
* [[August 22]] – [[Korbinian Brodmann]], German neurologist (b. [[1868]])<ref>[On the life and work of Korbinian Brodmann (1868–1918)]</ref>
* [[August 30]] – [[William Duncan (missionary)|William Duncan]], British missionary in Canada and the United States (b. [[1832]])

=== September ===
[[File:George Reid cph.3c31684.jpg|thumb|100px|right|[[George Reid]]]]
[[File:EduardDukeAnhalt.jpg|thumb|100px|right|[[Eduard, Duke of Anhalt]]]]
[[File:Eriksweden18894qr.jpg|thumb|100px|right|[[Prince Erik, Duke of Vastmanland]]]]
* [[Mudbir al-Far'un]], Arab chieftain, leader of 1913 Euphrates rebellion
* [[September 2]] – [[John Forrest|Sir John Forrest]], Australian explorer and politician, 1st [[Premier of Western Australia]] (b. [[1847]])
* [[September 5]] – [[Nikolay Maklakov]], Russian politician, former minister of the Interior (b. [[1871]])
* [[September 6]] – [[Elizabeth Yates (mayor)|Elizabeth Yates]], New Zealand politician (b. [[1845]])
* [[September 8]]
** [[Francis Mary of the Cross Jordan]], German [[Roman Catholic]] priest and venerable (b. [[1848]])
** [[Mikael of Wollo]], Ethiopian army commander and Ras of Wollo (b. [[1850]])
* [[September 12]] – [[George Reid|Sir George Reid]], 4th [[Prime Minister of Australia]] (b. [[1845]])
* [[September 13]] – [[Eduard, Duke of Anhalt]] (b. [[1861]])
* [[September 16]] – [[Maurice Boyau]], French World War I fighter ace (killed in action) (b. [[1888]])
* [[September 18]] – [[Joseph Frank Wehner]], American World War I fighter ace (killed in action) (b. [[1895]])<ref>{{cite web|url=http://www.theaerodrome.com/aces/usa/wehner.php|title=Joseph Wehner|last=|first=|date=|website=|publisher=theaerodrome.com|url-status=live|archive-url=https://web.archive.org/web/20190630060340/http://www.theaerodrome.com/aces/usa/wehner.php|archive-date=30 June 2019|access-date=}}</ref>
* [[September 20]] – [[Prince Erik, Duke of Västmanland]] (b. [[1889]]), [[Spanish flu]]
* [[September 27]] – [[Fritz Rumey]], German World War I fighter ace (killed in action) (b. [[1891]])
* [[September 28]]
** [[True Boardman]], American actor (b. [[1882]]), [[Spanish flu]]
** [[Georg Simmel]], German sociologist, philosopher (b. [[1858]])
** [[Freddie Stowers]], American soldier (killed in action) (b. [[1896]])
* [[September 29]] – [[Frank Luke]], American World War I fighter ace (killed in action) (b. [[1897]])

===October===
* [[October 4]] – [[Nikolai Skrydlov]], Russian admiral (b. [[1844]])
* [[October 5]]
** [[Roland Garros (aviator)|Roland Garros]], French fighter pilot (killed in action) (b. [[1888]])
** [[Robbie Ross]], British writer (b. [[1869]])
* [[October 6]] – [[Arthur O'Hara Wood]], Australian tennis champion and fighter pilot (killed in action) (b. [[1890]])
* [[October 7]] – [[Hubert Parry|Sir Hubert Parry]], British composer (b. [[1848]]), [[Spanish flu]]
* [[October 8]] – [[Mikhail Alekseyev]], Russian general (b. [[1857]])
* [[October 9]] – [[Raymond Duchamp-Villon]], French sculptor (b. [[1876]])
* [[October 11]] – [[Wallace Lloyd Algie]], Canadian soldier (killed in action) (b. [[1891]])
* [[October 15]] – [[Sai Baba of Shirdi]], Indian guru, yogi and National saint of India (b. [[1838]])
* [[October 16]] – [[Felix Arndt]], American pianist, composer (b. [[1889]]), [[Spanish flu]]
* [[October 18]]
** [[Radko Dimitriev]], Bulgarian, Russian general (executed) (b. [[1859]])
** [[Uganda Martyrs|Jildo Irwa]], Ugandan [[Roman Catholic]] martyr and saint (executed) (b. [[1906]])
** [[Uganda Martyrs|Daudo Okelo]], Ugandan [[Roman Catholic]] martyr and saint (executed) (b. ca. [[1900]])
** [[Nikolai Ruzsky]], Russian general (executed) (b. [[1854]])
* [[October 19]] 
** [[Harold Lockwood]], American actor (b. [[1887]]), [[Spanish flu]]
** [[Prince Umberto, Count of Salemi]] (b. [[1889]]), [[Spanish flu]]
* [[October 24]]
** [[César Ritz]], Swiss hotelier (b. [[1850]])
** [[Daniel Burley Woolfall]], English administrator, 2nd [[President of FIFA]] (b. [[1852]])
* [[October 25]] – [[Amadeo de Souza Cardoso]], Portuguese painter (b. [[1887]]), [[Spanish flu]]
* [[October 29]]
** [[Michel Coiffard]], French World War I fighter ace (killed in action) (b. [[1892]])
** [[Rudolf Tobias]], Estonian composer (b. [[1873]])
* [[October 31]]
** [[Egon Schiele]], Austrian artist (b. [[1890]]), [[Spanish flu]]
** [[István Tisza]], 2-time [[List of Prime Ministers of Hungary|Prime Minister of Hungary]] (assassinated) (b. [[1861]])

=== November===
[[File:Wilfred Owen plate from Poems (1920).jpg|thumb|100px|[[Wilfred Owen]]]]
* [[November 1]] – [[Vladimir Vasilyevich Smirnov]], Russian general (executed) (b. [[1849]])
* [[November 2]] – [[Hugh Cairns (VC)|Hugh Cairns]], Canadian soldier (b. [[1896]])
* [[November 4]]
** [[Wilfred Owen]], British poet, soldier (killed in action) (b. [[1893]])
** [[Andrew Dickson White]], American academic and diplomat, co-founder of [[Cornell University]] (b. [[1832]])
* [[November 5]]
**[[Samuel Liddell MacGregor Mathers]], British occultist (b. [[1854]]), [[Spanish flu]]
**[[William Shea (actor)|William Shea]], British actor (b. [[1856]])
* [[November 6]] – [[Alan Arnett McLeod]], Canadian soldier (b. [[1899]]), [[Spanish flu]]
* [[November 9]]
** [[Guillaume Apollinaire]], French poet (b. [[1880]]), [[Spanish flu]]
** [[Albert Ballin]], German shipping magnate (b. [[1857]])
** [[Peter Lumsden|Sir Peter Lumsden]], British general in the Indian Army (b. [[1829]])
* [[November 11]]
** [[Victor Adler]], Austrian politician (b. [[1852]])
** [[George Lawrence Price]], last Commonwealth soldier to die in WWI (b. [[1892]])
* [[November 12]] – [[Aleksei Evert]], Russian general (executed)  (b. [[1857]]; may have died in [[1926]])
* [[November 14]] – [[Matti Lonkainen]], Finnish politician (b. [[1874]])<ref>{{cite web |title=Person: Lonkainen, Matti |url=https://sotasurmat.narc.fi/en/victims/page/p_39943/table |website=[[War Victims of Finland 1914–1922]] |publisher=[[National Archives of Finland]] |access-date=16 December 2023 |location=Helsinki, Finland}}</ref>
* [[November 15]] – [[Robert Anderson (Scotland Yard official)|Sir Robert Anderson]], British police officer (b. [[1841]]), [[Spanish flu]]
* [[November 19]] – [[Joseph F. Smith]], 6th President of [[The Church of Jesus Christ of Latter-day Saints]] (b. [[1838]])
* [[November 20]] – [[John Bauer (illustrator)|John Bauer]], Swedish painter (b. [[1882]])
* [[November 22]] – [[Rose Cleveland]], ''de facto'' [[First Lady of the United States]] (b. [[1846]]), [[Spanish flu]]
* [[November 23]] – [[Fritz von Below]], German general (b. [[1853]])
* [[November 30]] – [[Karl Petrovich Jessen]], Russian admiral (b. [[1852]])

=== December===
[[File:Sidónio Pais.jpg|thumb|100px|right|[[Sidónio Pais]]]]
[[File:Zanz-Ali II.jpg|thumb|100px|right|Sultan [[Ali bin Hamud of Zanzibar]]]]
* [[December 2]] – [[Edmond Rostand]], French writer (b. [[1868]]), [[Spanish flu]]
* [[December 4]] – [[Princess Teriivaetua]] of [[Tahiti]] (b. [[1869]]), [[Spanish flu]]
* [[December 5]] – [[Schalk Willem Burger]], Boer military leader, lawyer, politician, statesman, and acting [[President of the South African Republic]] (1900-1902) (b. [[1852]])
* [[December 9]] –  [[Samuel Swett Green]], American library pioneer (b. [[1837]])
* [[December 11]] – [[Ivan Cankar]], Slovenian writer (b. [[1876]]), [[Spanish flu]]
* [[December 13]] – [[Emory Speer]], American politician, jurist, and United States district judge from 1885 until 1918 (b. [[1848]])
* [[December 14]] – [[Sidónio Pais]], Portuguese politician, general, diplomat, 66th [[Prime Minister of Portugal]] and 4th [[President of Portugal]] (b. [[1872]]), assassinated
* [[December 20]] – Sultan [[Ali bin Hamud of Zanzibar]] (b. [[1884]])
* [[December 21]] – [[Prince Konrad of Hohenlohe-Waldenburg-Schillingsfürst]], Austrian statesman, former Prime Minister (b. [[1863]])
* [[December 28]] – [[Olavo Bilac]], Brazilian poet (b. [[1865]])

=== Date unknown ===
* Spring – [[Vyacheslav Troyanov]], Russian general (b. [[1875]])
* [[Yakov Zhilinsky]], Russian general (b. [[1853]])