Ruler · 857 – 934

Harthacnut I of Denmark

Lived 857 – 934. Monarch of Denmark (Denmark), 917 – 934.

For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the reign.

Lived: 857 – 934; 77 years
In office: 17 years; one reign
Lines: 1; Denmark
Left it: died in office; read off the dates alone

Monarch of Denmark

Denmark · the 8th of 66 dated reigns · 770 – 2024

4 before

Harald Klak819 – 823

Harald Klak826 – 827

Horik II854 – …

Harthacnut I of Denmark917 – 934

Gorm the Old934 – 964

Canute Danaást947 – 962

Harald Bluetooth962 – 985

55 after

deposed, abdicated, exiled or removeddied in officeleft alive by a regular roadstill in officeending not on recorda second row: a reign that began before the last had ended — rival claimants, or a shared thronethis entry

Reigned 917 – 934 · 17 years · came to it aged 60

Left it: died in officeread off the dates alone: the term ends in 934, the year they died

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Wikidata Q442876 (CC0) · the reigns from Wikidata's P39 terms, the rulers' own articles read by grammar (sentences quoted above, CC BY-SA 4.0) and Kokkonen & Sundell where they code the line · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.