Editing 1923 (section)

=== February ===
[[File:Fushimi Sadanaru, c. 1910-15 (cropped).jpg|thumb|110px|[[Prince Fushimi Sadanaru]]]]
[[File:Roentgen2.jpg|thumb|110px|[[Wilhelm Röntgen]]]]
* [[February 1]]
** [[Ernst Troeltsch]], German theologian (b. [[1865]])
** [[Luigi Variara]], Italian [[Roman Catholic]] priest and blessed (b. [[1875]])
* [[February 3]] – Count [[Kuroki Tamemoto]], Japanese general (b. [[1844]])
* [[February 4]]
** [[Giuseppe Antonio Ermenegildo Prisco]], Italian [[Roman Catholic]] cardinal (b. [[1833]])
** [[Prince Fushimi Sadanaru]] of [[Japan]] (b. [[1858]])
* [[February 5]] – [[Count Erich Kielmansegg]], former Prime Minister of Austria (b. [[1847]])
* [[February 6]]
** [[Edward Emerson Barnard]], American astronomer (b. [[1857]])
** [[Gerdt von Bassewitz]], Prussian general, playwright and actor (b. [[1878]])
* [[February 8]] – [[Bernard Bosanquet (philosopher)|Bernard Bosanquet]], English philosopher and political theorist (b. [[1848]])
* [[February 10]] – [[Wilhelm Röntgen]], German physicist, [[Nobel Prize in Physics|Nobel Prize]] laureate (b. [[1845]])
* [[February 14]] – [[Bartolomeo Bacilieri]], Italian [[Roman Catholic]] cardinal (b. [[1842]])
* [[February 19]] – [[Gerónimo Giménez]], Spanish conductor, composer (b. [[1854]])
* [[February 21]] – [[Prince Miguel, Duke of Viseu]] (b. [[1878]])
* [[February 22]]
** [[Théophile Delcassé]], French statesman (b. [[1852]])
** [[Princess Marie Elisabeth of Saxe-Meiningen]] (b. [[1853]])
* [[February 24]] – [[Edward W. Morley]], American physicist, chemist (b. [[1838]])
* [[February 26]] – [[Walter B. Barrows]], American naturalist (b. [[1855]])