| Succession: | King of Denmark |
| Reign: | – 958/963/964 |
| Predecessor: | Harthacnut (Canute I) (semi-legendary) or Gnupa |
| Successor: | Harald I |
| Spouse: | Thyra |
| Issue-Link: |
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| House: | House of Gorm |
| Father: | Harthacnut I of Denmark (semi-legendary) |
| Mother: | unknown |
| Religion: | Norse paganism |
| Birth Date: | before 900 |
| Death Date: | 958/963/964 |
Gorm the Old (Danish: Gorm den Gamle; Norse, Old: Gormr gamli; Latin: Gormus Senex), also called Gorm the Languid (Danish: Gorm Løge, Gorm den Dvaske), was ruler of Denmark, reigning from to his death or a few years later.[1] [2] He ruled from Jelling, and made the oldest of the Jelling stones in honour of his wife Thyra. Gorm was born before 900 and died perhaps around 958 or possibly 963 or 964.
Gorm is the reported son of semi-legendary Danish king Harthacnut. Chronicler Adam of Bremen says that Harthacnut came from Northmannia to Denmark and seized power in the early 10th century. He deposed the young king Sigtrygg Gnupasson, reigning over Western Denmark. When Harthacnut died, Gorm ascended the throne.
Heimskringla reports Gorm taking at least part of the kingdom by force from Gnupa, and Adam himself suggests that the kingdom had been divided prior to Gorm's time. Gorm is first mentioned as the host of Archbishop Unni of Hamburg and Bremen in 936. According to the Jelling Stones, Gorm's son, Harald Bluetooth, "won all of Denmark", so it is speculated that Gorm only ruled Jutland from his seat in Jelling.
Gorm married Thyra, who is given conflicting and chronologically dubious parentage by late sources, but no contemporary indication of her parentage survives. Gorm raised one of the great burial mounds at Jelling as well as the oldest of the Jelling Stones for her, calling her tanmarkar but ("Denmark's Salvation" or "Denmark's Adornment"). Gorm was the father of three sons, Toke, Knut and Harald, later King Harald Bluetooth.
His wife, Thyra, is credited with the completion of the Danevirke, a wall between Denmark's southern border and its unfriendly Saxon neighbors to the south. The wall was not new, but it was expanded with a ditch and earthen foundation topped by a timber stockade above it. The Danevirke ran between the Schlei and the Treene river, across what is now Schleswig.
One theory is that Gorm died in the winter of 958–959, this is based on dendrochronology that shows that the burial chamber in the northern burial mound in Jelling was made from wood felled in 958. Arild Huitfeldt relates one legend of his death in Danmarks Riges Krønike:
This account would contradict information on the Jelling Stones which point to Queen Thyra dying before Gorm. Some archaeologists and historians have suggested that Gorm was buried first in Queen Thyra's grave mound at Jelling, and later moved by his son, Harald Bluetooth, into the original wooden church in Jelling. According to this theory it is believed that the skeleton found at the site of the first Christian church of Jelling is in fact Gorm the Old, though the theory is still much debated. During the reign of Gorm, most Danes still worshipped the Norse gods, but during the reign of Gorm's son, Harald Bluetooth, Denmark officially converted to Christianity. Harald, accordingly, left the hill where Gorm had originally been interred as a memorial.
Gorm was "old" in the sense that he was considered the traditional ancestral "head" of the Danish monarchy. Saxo Grammaticus in the asserts that Gorm was older than other monarchs and, having lived so long, was blind by the time his son Canute was killed.