Monarch – Gustav IV Adolf
- Jöns Jacob Berzelius discover cerium.
- Sofia Lovisa Gråå appointed principal of Dramatens elevskola.
28 January - Carl Johan Billmark, painter (died 1870)
8 May - Lapp-Nils, Sami musician (died 1870)
19 August - Christina Enbom, opera singer (died 1880)
- Anna Johansdotter Norbäck, founder and leader of the religious movement Annaniterna (died 1879)
4 April - Abraham de Broen, actor (born 1759)
- Anna Brita Wendelius, member of the Royal Swedish Academy of Music and the Utile Dulci (born 1741)
- Marie Louise Marcadet, opera singer and actress (born 1758)
- Marguerite Morel, ballerina, actress and singer (born 1737)
1804 in Sweden Wikipedia
Events from the year 1804 in Sweden