Frederick III Biography

Historical biography and chronological timeline for Frederick III, based on 9 World History Database records associated with Denmark.

9 records1648–16658 events2 places

Chronological biography

1648

Succession28 February 1648

House / House of Oldenburg · King · Copenhagen

Elected king after the death of Christian IV.

Peace of Westphalia24 October 1648

Warfare / Thirty Years War · King · Copenhagen

Begins reign as the Westphalian settlement changes north German politics.

Peace of Westphalia24 October 1648

Warfare / Thirty Years War · King · Copenhagen

Begins ruling Denmark as the Westphalian settlement alters north German politics.

1657

War with Sweden1 June 1657

Warfare / Dano-Swedish War · King · Copenhagen

Declares war on Sweden during the Northern Wars.

1658

Treaty of Roskilde26 February 1658

Warfare / Dano-Swedish War · King · Roskilde

Cedes major Danish territories to Sweden after military defeat.

1659

Siege of Copenhagen11 February 1659

Warfare / Dano-Swedish War · King · Copenhagen

Helps defend Copenhagen against Swedish assault.

1660

Absolute Monarchy18 October 1660

Government / Absolute Monarchy · King · Copenhagen

Uses political crisis to establish hereditary absolute monarchy.

1661

Sovereignty Act10 January 1661

Government / Absolute Monarchy · King · Copenhagen

Receives formal recognition of hereditary sovereignty.

1665

Battle of Bergen12 August 1665

Warfare / Second Anglo-Dutch War · King · Copenhagen

Danish policy shapes the outcome when English ships attack a Dutch convoy at Bergen.

Titles and roles

King

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.