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Denmark and Sweden sign the Treaty of Copenhagen, ending the Second Northern War

The assault on Copenhagen (Danish: stormen på København; Swedish: stormningen av Köpenhamn) also known as the battle of Copenhagen on 11 February 1659 was a major engagement during the Second...

The assault on Copenhagen (Danish: stormen på København; Swedish: stormningen av Köpenhamn) also known as the battle of Copenhagen on 11 February 1659 was a major engagement during the Second Northern War, taking place during the Swedish siege of Copenhagen.

Following the arrival of Swedish forces on Zealand on 7 August 1658, they intended to attack Copenhagen, thus conquering Denmark. Upon their arrival to Copenhagen on 11 August, the Swedes decided to lay siege to the city instead of taking immediate military action. The Swedish unsuccessfully led an assault on the city on 11 February, which led to heavy losses and their eventual retreat.

Historical Significance

The assault on Copenhagen (Danish: stormen på København; Swedish: stormningen av Köpenhamn) also known as the battle of Copenhagen on 11 February 1659 was a major engagement during the Second Northern War, taking place during the Swedish siege of Copenhagen.

Events Before

  1. First known cheque written (£400), now on display at Westminster Abbey

    First known cheque written (£400), now on display at Westminster Abbey

  2. Battle of the Lines of Elvas: Portuguese forces defeat Spanish forces during the Portuguese Restoration War

    The Restoration War between Portugal and Spain began with the Portuguese revolution of 1640 and ended with the Treaty of Lisbon in 1668, bringing a formal end to the Iberian Union. The period from...

  3. The assault on Copenhagen by Swedish forces is beaten back with heavy losses

    The assault on Copenhagen by Swedish forces is beaten back with heavy losses

  4. France, England, and the Netherlands sign the Concert of The Hague, outlining a common stance on how the Second Northern

    France, England, and the Netherlands sign the Concert of The Hague, outlining a common stance on how the Second Northern War should end

  5. Netherlands, England and France sign Treaty of The Hague

    Netherlands, England and France sign Treaty of The Hague

Events After

  1. Oliver Cromwell, Lord Protector of the Commonwealth of England is ritually executed after having been dead for two years

    Oliver Cromwell, Lord Protector of the Commonwealth of England is ritually executed after having been dead for two years

  2. Princess Henrietta of Orange-Nassau (16) weds Philippe of France, Duke of Orléans (20)

    Princess Henrietta of Orange-Nassau (16) weds Philippe of France, Duke of Orléans (20)

  3. Treaty of The Hague is signed, whereby the Dutch Republic sells New Holland (Brazil) to Portugal for 63 tons of gold

    Treaty of The Hague is signed, whereby the Dutch Republic sells New Holland (Brazil) to Portugal for 63 tons of gold

  4. The Fifth Monarchists unsuccessfully attempt to seize control of London

    The Fifth Monarchists unsuccessfully attempt to seize control of London

  5. In his will French Cardinal Mazarin bequeaths his famous library to the Collège des Quatre-Nations, part of the Universi

    In his will French Cardinal Mazarin bequeaths his famous library to the Collège des Quatre-Nations, part of the University of Paris (opens 1689) - now the oldest public library in France [1]

More from the 1660s

English Colonel George Monck, with two brigades of troops, crosses the Anglo-Scottish border by fording the River Tweed

English Colonel George Monck, with two brigades of troops, crosses the Anglo-Scottish border by fording the River Tweed at Coldstream and heads through knee-deep snow to London to end military rule and restore the monarchy

Oliver Cromwell, Lord Protector of the Commonwealth of England is ritually executed after having been dead for two years

Oliver Cromwell, Lord Protector of the Commonwealth of England is ritually executed after having been dead for two years

English Poet and author of "Paradise Lost" John Milton marries 3rd wife Elizabeth Mynshull, 31 years his junior.

English Poet and author of "Paradise Lost" John Milton marries 3rd wife Elizabeth Mynshull, 31 years his junior.

English Long Parliament disbands

The Convention Parliament of England (25 April 1660 – 29 December 1660) followed the Long Parliament that had finally voted for its own dissolution on 16 March that year.

Frequently Asked Questions

What happened on May 27, 1660?
The assault on Copenhagen (Danish: stormen på København; Swedish: stormningen av Köpenhamn) also known as the battle of Copenhagen on 11 February 1659 was a major engagement during the Second Northern War, taking place during the Swedish siege of Copenhagen. Following the arrival of Swedish forces on Zealand on 7 August 1658, they intended to attack Copenhagen, thus conquering Denmark. Upon their arrival to Copenhagen on 11 August, the Swedes decided to lay siege to the city instead of taking immediate military action.
Why is Denmark and Sweden sign the Treaty of Copenhagen, ending the Second Northern War significant?
The assault on Copenhagen (Danish: stormen på København; Swedish: stormningen av Köpenhamn) also known as the battle of Copenhagen on 11 February 1659 was a major engagement during the Second Northern War, taking place during the Swedish siege of Copenhagen.

Explore More

May 27 in HistoryYear 1660