Events from the year 1904 in Sweden.
Incumbents
Monarch – Oscar II
Prime Minister – Erik Gustaf Boström
Events
10 January - The Swedish Antarctic Expedition returns to Stockholm. 18 December – The Swedish Football Association is founded in Stockholm. Date unknown – First issue of Morgonbris. Date unknown – From this year until 1909, co-education is introduced in a number of state secondary education schools, which makes private girls schools redundant.
Births
4 January - Hjördis Töpel, Olympic diver and swimmer
13 January - Ewa Olliwier, Olympic diver
18 January - John Axel Nannfeldt, botanist and mycologist
24 January - Wivan Pettersson, Olympic swimmer
29 February - Helmer Grundström, writer
31 March - Harald Berglund, cinematographer
1 April - Holger Löwenadler, film actor
2 April - Karl Ragnar Gierow, theater director, author and translator
8 April - Georg Werner, Olympic freestyle swimmer
6 May - Harry Martinson, writer, recipient of the Nobel Prize in Literature
22 May - Uno Lamm (born August Uno Lamm), electrical engineer and inventor
2 July - Erik Lundin, chess master
19 July - Vera Schmiterlöw, film actress
Deaths
19 April - Hanna Styrell, actress and royal mistress (born 1842) 29 May - Maria Paulina Åhman, harpist (born 1812) 11 June - Clas Theodor Odhner, historian (born 1836) 15 October - Anna Stecksén, scientist (born 1870)