Expanded History
History of Denmark
From antiquity to the modern era — the historical eras, key events, and narrative that shaped Denmark.
Overview
Although religious freedom is guaranteed, the state-supported Evangelical Lutheran Church accounts for about 84% (down from 92% in 1984) of those persons claiming religious affiliation. Several other Christian denominations, as well as other major religions, find adherents in Denmark. Islam is now the second-largest religion in Denmark.
During the Viking period (9th-11th centuries), Denmark was a great power based on the Jutland Peninsula, the Island of Zealand, and the southern part of what is now Sweden. In the early 11th century, King Canute united Denmark and England for almost 30 years.
Viking raids brought Denmark into contact with Christianity, and in the 12th century, crown and church influence increased. By the late 13th century, royal power had waned, and the nobility forced the king to grant a charter, considered Denmark’s first constitution. Although the struggle between crown and nobility continued into the 14th century, Queen Margrethe I succeeded in uniting Denmark, Norway, Sweden, Finland, the Faroe Islands, Iceland, and Greenland under the Danish crown. Sweden and Finland left the union in 1520; however, Norway remained until 1814. Iceland, in a "personal union" under the king of Denmark after 1918, became independent in 1944.
The Reformation was introduced in Denmark in 1536. Denmark’s provinces in today’s southwestern Sweden were lost in 1658, and Norway was transferred from the Danish to the Swedish crown in 1814, following the defeat of Napoleon, with whom Denmark was allied.
The Danish liberal movement gained momentum in the 1830s, and in 1849 Denmark became a constitutional monarchy. After the war with Prussia and Austria in 1864, Denmark was forced to cede Schleswig-Holstein to Prussia and adopt a policy of neutrality. Toward the end of the 19th century, Denmark inaugurated important social and labor market reforms, laying the basis for the present welfare state.
Denmark remained neutral during World War I. Despite its declaration of neutrality at the beginning of World War II, it was invaded by the Germans in 1940 and occupied until liberated by the Allied forces in May 1945. Resistance against the Germans was sporadic until late 1943. By then better organized, the resistance movement and other volunteers undertook a successful rescue mission in which nearly the entire Jewish population of Denmark was shipped to Sweden (whose neutrality was honored by Germany). However, extensive studies are still undertaken for the purpose of establishing a clearer picture of the degree of Danish cooperation--official and corporate--with the occupying power. Denmark became a charter member of the United Nations and was one of the original signers of the North Atlantic Treaty.
Cultural Achievements
Denmark’s rich intellectual heritage has made multifaceted contributions to modern culture the world over. The discoveries of astronomer Tycho Brahe (1546-1601), geologist and anatomist Niels Steensen (1639-86), and the brilliant contributions of Nobel laureates Niels Bohr (1885-1962) to atomic physics and Niels Finsen (1860-1904) to medical research indicate the range of Danish scientific achievement. The fairy tales of Hans Christian Andersen (1805-75), the philosophical essays of Soeren Kierkegaard (1813-55), and the short stories of Karen Blixen (pseudonym Isak Dinesen; 1885-1962) have earned international recognition, as have the symphonies of Carl Nielsen (1865-1931). Danish applied art and industrial design have won so many awards for excellence that the term "Danish Design" has become synonymous with high quality, craftsmanship, and functionalism. Among the leading lights of architecture and design was Arne Jacobsen (1902-1971), the "father of modern Danish design." The name of Georg Jensen (1866-1935) is known worldwide for outstanding modern design in silver, and "Royal Copenhagen" is among the finest porcelains. No ’short list’ of famous Danes would be complete without the entertainer and pianist Victor Borge (1909-2000), who emigrated to the United States under Nazi threat in 1940, and had a worldwide following when he died a naturalized U.S. citizen in Greenwich, Connecticut, at the age of 91.
Visitors to Denmark will discover a wealth of cultural activity. The Royal Danish Ballet specializes in the work of the great Danish choreographer August Bournonville (1805-79). Danish dancers also feature regularly on the U.S. ballet scene, notably Peter Martins as head of
Historical Eras
The major periods of {country}’s history at a glance.
Germanic & Viking Age
500 – 1060
Gothic-Germanic peoples settled the Jutland Peninsula and surrounding islands, gradually coalescing into a distinct Danish identity. The Viking Age (9th–11th centuries) saw Danish raiders and traders expand across Europe; King Canute the Great united Denmark, England, and Norway under a single crown by 1028. English missionaries introduced Christianity, which became firmly established alongside growing royal and ecclesiastical authority.
Medieval Kingdom
1060 – 1397
The Danish church was organized under Svend II, and crown power alternately rose and waned against an assertive nobility that forced a constitutional charter in the late 13th century. The Black Death devastated the population around 1350, weakening both economy and central authority. Nevertheless, Denmark remained the dominant Scandinavian power, laying the groundwork for broader Nordic unification.
Kalmar Union Era
1397 – 1536
Queen Margrethe I forged the Union of Kalmar in 1397, bringing Denmark, Norway, Sweden, Finland, Iceland, the Faroe Islands, and Greenland under the Danish crown. The union was marked by persistent tension with Sweden, which finally broke away definitively by 1524. Copenhagen was declared the capital in 1445, signaling Denmark's consolidation as a centralized northern European state.
Early Modern Denmark
1536 – 1814
Denmark adopted Lutheranism as the state religion in 1536, reshaping its cultural and institutional life. The kingdom engaged in costly conflicts, including the Seven Years' War with Sweden (1563–1570) and the Thirty Years' War, suffering a significant military defeat in 1626. Denmark lost its southwestern Swedish provinces in 1658, and following alliance with Napoleon, was forced to cede Norway to Sweden in 1814.
Constitutional & Liberal Era
1814 – 1914
A growing liberal movement culminated in the Constitution of 1849, transforming Denmark into a constitutional monarchy. Defeat in the 1864 war against Prussia and Austria cost Denmark the Schleswig-Holstein territories and enforced a policy of neutrality. In compensation, late 19th-century governments pursued landmark social and labor market reforms that established the foundations of Denmark's modern welfare state.
Modern Denmark
1914 – present
Denmark remained neutral in World War I but was occupied by Nazi Germany from 1940 to 1945, during which Danish citizens and resistance fighters famously rescued nearly the entire Jewish population to neutral Sweden. After liberation, Denmark became a founding member of NATO in 1949 and joined the European Economic Community in 1973, while maintaining selective opt-outs from deeper EU integration. Today Denmark is recognized as one of the world's most prosperous and socially advanced nations.
Timeline Preview
The first 7 key events. View the full chronology on the timeline page.
500
First Danes arrive from Sweden
First Danes arrive from Sweden.
690
English missionaries enter Denmark
English missionaries enter Denmark. Kingdom of Denmark unified and Christianity introduced.
1028
King Canute is declared rules of Denmark, England and Norway .
King Canute is declared ruler of Denmark, England and Norway.
1060
Svend II forms Danish church
Svend II forms Danish church.
1350
Plague ravished Denmark and Sweden
Plague ravished Denmark and Sweden.
1397
The Union of Kalmar unites Denmark, Sweden and Norway
The Union of Kalmar unites Denmark, Sweden and Norway.
1445
Copenhagen declared capital city
Copenhagen declared capital city.

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