Duchy of Schleswig

a Danisch duchy, existing until 1864/1866 now divided between Germany and Denmark

15 dated entries naming Duchy of Schleswig, drawn from 14 separate years between 983 CE and 1864 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 Schleswig in the source articles; Wikipedia redirects those to the same subject, so their entries are on this page.

JSON Wikipedia article Wikidata Q26167

10th century

983King Harald Bluetooth rebels against the overlordship of Otto II. A Danish Viking army under his son Sweyn Forkbeard invades the March of Schleswig – along the northern border of modern Denmark. The Sorb Slavs in northern Germany overrun and conquer the March of Zeitz (Marca Geronis) from Saxon control.source

11th century

1096March 12 – Canute Lavard, duke of Schleswig (died 1131)source

12th century

1131January 7 – Canute Lavard, duke of Schleswig (born 1096)source

14th century

1313August 9 – In the town of Horsens in Denmark, Eric of Jutland reaches a settlement with King Eric VI Menved and receives the Duchy of Schleswig in return for renouncing all claims to Langeland.source
1325March 12 – At the age of 11, Valdemar III becomes the new ruler of the Duchy of Schleswig upon the death of his father, Eric II, Duke of Schleswig.source
1362January 16 – The "Grote Mandrenke" storm tide strikes the Netherlands, England, Germany and Denmark, destroying the Danish settlement of Rungholt in the Duchy of Schleswig, and the Humber estuary port of Ravenser Odd in England. The East Frisian island of Buise is broken into two by North Sea floods.source
1397August 28 – As part of a division of the state of Holstein, the northernmost member of the Holy Roman Empire, between Count Albert II and his brother Count Gerhard VI (following the death of their uncle, Nicholas), Gerhard receives the Duchy of Schleswig and nearly all of Rendsburg, while Albert receives HOlstein-Segeberg.source

15th century

1460March 5 – King Christian I of Denmark, the various nobles of the Duchy of Schleswig and the County of Holstein agree to the Treaty of Ribe, electing King Christian as the new Duke of Schleswig and Count of Holstein, and placing both political entities under Denmark's control.source

17th century

16162 December – The Order of the Armed Arm is bestowed for the first and only time, at the great celebrations that took place in Kolding, on the occasion of the enfeoffment of Slesvig to the King's nephew,source
1644July 1 – Torstenson War: Battle of Colberger Heide – The Dano-Norwegian and Swedish fleets fight a naval battle off the coast of Schleswig-Holstein. The battle is indecisive but represents a minor success for the Dano-Norwegian fleet.source

19th century

1848March 24 – The First Schleswig War (Schleswig-Holsteinischer Krieg, or Three Years' War (Treårskrigen)), a military conflict in southern Denmark and northern Germany rooted in the Schleswig-Holstein Question, contesting the issue of who should control the Duchies of Schleswig and Holstein, begins.source
18528 May – Prussia signs the 1852 London Protocol, a treaty ending the First Schleswig War by nominally returning Schleswig and Holstein to Denmark, while effectively guaranteeing their independencesource
1863November 18 – King Christian IX of Denmark signs the November Constitution, which declares Schleswig to be part of Denmark, regarded by the German Confederation as a violation of the London Protocol of 1852, leading to the German–Danish war of 1864.source
1863November 18 – King Christian IX of Denmark signs the November Constitution, declaring Schleswig to be part of Denmark, regarded by the German Confederation as a violation of the London Protocol of 1852, leading to the Second Schleswig War of 1864.source
1864October 30 – The Second Schleswig War is concluded. Denmark renounces all claim to Schleswig, Holstein, and Lauenburg, which come under Prussian and Austrian administration.source