8 dated entries naming Monarchy of Sweden, drawn from 8 separate years between 1448 CE and 1751 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.
Also written as King of Sweden, Queen of Sweden in the source articles; Wikipedia redirects those to the same subject, so their entries are on this page.
1448June 29 – Karl VIII is crowned as King of Sweden in Uppsala Cathedral the day after being publicly hailed as king at Mora Stones.source
1499February 4 – Hans, King of Denmark is formally crowned as King of Sweden and his wife Christina of Saxony crowned as Queen Consort.source
16th century
1561June 29 – Erik XIV is crowned King of Sweden.source
1592November 17 – Sigismund III Vasa becomes the new King of Sweden upon the death of his father, King John III.source
17th century
1604March 22 – Karl IX begins his reign as King of Sweden.source
1611October 30 – At the age of 16, Gustav II Adolf succeeds his father Charles IX as King of Sweden.source
18th century
1719March 17 – The coronation of Ulrika Eleonora as Queen of Sweden takes place in Stockholm.source
1751November 26 – Adolf Frederick is formally crowned as the King of Sweden. The coronation ceremony takes place almost eight months after he assumed the throne.source