Harald III of Denmark

Harald III Hen
King of Denmark
Reign 1074–1080
Predecessor Sweyn II Estridsson
Successor Canute IV the Saint
Consort Margareta Hasbjörnsdatter
Full name
Harald Svendsen
House Estridsen
Father Sweyn II Estridsson
Born c. 1040
Died 17 April 1080 (aged 39–40)
Burial Dalby Church, Scania
Religion Roman Catholicism

Harald III Hen (c. 1040 – April 17, 1080) was King of Denmark from 1074 to 1080. Harald III was an illegitimate son of Danish king Sweyn II Estridsson, and contested the crown with some of his brothers. He was a peaceful ruler who initiated a number of reforms. Harald was married to his cousin Margareta Hasbjörnsdatter, but did not leave any heirs, and was succeeded by his brother Canute IV the Saint. Four of his half-brothers were in turn crowned Danish kings.


Harald was born around 1040. Son of king Sweyn II Estridsson, Harald took part in Sweyn's 1069 raid of England alongside his uncle Jarl Asbjørn and his brother Canute, the later king Canute IV the Saint.

After the death of his father, King Sweyn, Harald was elected king in competition with his younger brother, Canute, at the Zealand Assembly (Danish: Landsting) at Isøre near Odsherred. Accounts of the year include both 1074 and 1076, with the Monarchy of Denmark officially setting the year as 1074, two years before the death of Sweyn. In order to get elected, he took the vows called Harald's laws, declaring his will to uphold the existing rule of law. During his rule, Harald met opposition from a number of his brothers, likely including Canute, who enlisted the support of Olaf III of Norway. Pope Gregory VII mediated, advising Olaf not to take sides, and for Harald to share power with his brothers.

Harald was dependent on the great nobles of Denmark for his election, and did little to oppose them. As a result, he fought no major wars and spent his energy improving the few things that lay in his purview. He is best known for improving and standardizing Danish coinage, and established mints at Ribe, Viborg, Lund, and Schleswig. He instituted public use of the Royal forrests. Harald also sought to change Danish legal customs. Harald deplored the ancient customs of trial by combat and the jernbyrd trial by ordeal of holding red-hot iron bars, and introduced a system used by the English of calling upon honorable men to swear oaths on behalf of the parties in a trial. He allegedly continued Sweyn's politic of seeking a Danish Archbishopric with the Pope, but was not successful.

Harald died on April 17, 1080, and was interred at Dalby Church in Scania. He was succeeded as king by his brother Canute IV the Saint.


Saxo Grammaticus scorned Harald as a weak and ineffective king yielding to the will of the common people, while Ælnoth called him a "by the people beloved lawmaker". He is also described as a man who let others control his actions, possessing a mild temper. Perhaps this gives the explanation for his nickname Harald the Whetstone (Danish: Harald Hen or Hein), in other words, Harald the soft.

The legal reforms of Harald were not fully accepted until the reign of Valdemar II the Victorious in the 13th century. The historicity of his coinage reform has also been called into question.


Harald III
Born: 1040 Died: April 17 1080
Regnal titles
Preceded by
Sweyn Estridson
King of Denmark
Succeeded by
Canute the Saint

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