|Covid-19|Monarch – Gustav III
- Inauguration of the Bergianska trädgården
- Creation of the Ministry for Foreign Affairs (Sweden)
- En critik öfver critiker by Thomas Thorild.
- Fredmans sånger by Carl Michael Bellman.
- Dumboms lefverne by Johan Henric Kellgren.
20 June – Carl Fredric Dahlgren, poet (died 1844)
- Ulrika Möllersvärd, courtier (died 1878)
1 January - Anna Charlotta Schröderheim, salonniére (born 1754)
4 April – Elisabeth Lillström, opera singer and actress (born 1717)
14 May - Maja-Lisa Borgman, coffee house owner (born 1750s)
- Brita Horn, courtier (born 1745)
1791 in Sweden Wikipedia
Events from the year 1791 in Sweden