Monarch – Charles XII
14 May - Russian victory in the Second Battle on Peipus.
15 June - The last execution for witchcraft in Sweden: Anna Eriksdotter is decapitated.
16 June - Battle of Wesenberg (1704)
25 July - Battle of Jakobstadt
July 12 – Great Northern War – Charles XII of Sweden forces the election of his ally Stanisław Leszczyński as King of Poland in place of Augustus II the Strong.
9 August - Battle of Poznań (1704)
10 August - Battle of Narva (1704)
The enslavement of Lovisa von Burghausen.
28 October - Battle of Poniec
1 November - Erland Broman, royal favorite (died 1757)
15 June - Anna Eriksdotter, last person executed for witchcraft (born 1624)
1704 in Sweden Wikipedia
Events from the year 1704 in Sweden