{"slug": "halfdan-ragnarsson", "label": "Halfdan Ragnarsson", "wikipedia": "https://en.wikipedia.org/wiki/Halfdan_Ragnarsson", "wikidata": "https://www.wikidata.org/wiki/Q779168", "qid": "Q779168", "description": "Viking leader and commander of the Great Heathen Army", "entries": 10, "years": 10, "span": [865, 877], "span_label": ["865 CE", "877 CE"], "topics": [{"title": "Conflict & Security", "count": 8}, {"title": "Exploration & Expansion", "count": 1}, {"title": "Geopolitics & Diplomacy", "count": 1}], "related": [{"slug": "great-heathen-army", "label": "Great Heathen Army", "shared": 4}, {"slug": "kingdom-of-dublin", "label": "Kingdom of Dublin", "shared": 2}, {"slug": "wessex", "label": "Wessex", "shared": 2}, {"slug": "vikings", "label": "Vikings", "shared": 2}, {"slug": "guthrum", "label": "Guthrum", "shared": 2}, {"slug": "ireland", "label": "Ireland", "shared": 1}, {"slug": "york", "label": "York", "shared": 1}, {"slug": "denmark", "label": "Denmark", "shared": 1}, {"slug": "kingdom-of-east-anglia", "label": "Kingdom of East Anglia", "shared": 1}, {"slug": "mercia", "label": "Mercia", "shared": 1}, {"slug": "river-thames", "label": "River Thames", "shared": 1}, {"slug": "kingdom-of-northumbria", "label": "Kingdom of Northumbria", "shared": 1}], "items": [{"year": 865, "year_label": "865 CE", "section": "Conflict & Security", "date": null, "text": "The Great Heathen Army (probably no more than 1,000 men) of Vikings, led by Ivar the Boneless and Halfdan Ragnarsson, invades East Anglia. King Edmund of East Anglia buys peace with a supply of horses.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1341129586#Britain", "title": "865", "revid": 1341129586, "section": "Events › By place › Britain"}}, {"year": 867, "year_label": "867 CE", "section": "Conflict & Security", "date": null, "text": "The rival monarchs of Northumbria, Ælla and Osberht, join forces in an attempt to expel the Great Heathen Army, but are defeated in battle by Ivar the Boneless and Halfdan Ragnarsson. Osberht is killed in battle, while Ælla is reportedly captured, before being subject to the blood eagle: a combined method of torture and execution.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1366655299#Britain", "title": "867", "revid": 1366655299, "section": "Events › By place › Britain"}}, {"year": 870, "year_label": "870 CE", "section": "Conflict & Security", "date": null, "text": "The Danes, led by Halfdan Ragnarsson and Bagsecg, invade Wessex and take the royal estate at Reading (Berkshire), which Halfdan makes his headquarters. A naval Viking contingent sails up the Thames River.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1341129562#Britain", "title": "870", "revid": 1341129562, "section": "Events › By place › Britain"}}, {"year": 871, "year_label": "871 CE", "section": "Conflict & Security", "date": null, "text": "The English retreat onto the Berkshire Downs. The Great Heathen Army, led by the Danish Viking kings Halfdan and Bagsecg, march out after the Saxons. Six pitched battles are fought between the Danes and Wessex. Of two of them the place and date are not recorded, the others are:", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1341129558#Europe", "title": "871", "revid": 1341129558, "section": "Events › By place › Europe"}}, {"year": 872, "year_label": "872 CE", "section": "Exploration & Expansion", "date": null, "text": "The Danes, led by Halfdan and Guthrum, establish a winter quarter at Torksey in the Kingdom of Lindsey (now part of Lincolnshire). King Burgred pays tribute (Danegeld) in return for 'peace'.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1267071842#Britain", "title": "872", "revid": 1267071842, "section": "Events › By place › Britain"}}, {"year": 873, "year_label": "873 CE", "section": "Conflict & Security", "date": null, "text": "The Danish Great Heathen Army, led by the Viking leaders Halfdan and Guthrum, attack Mercia and capture the royal centre at Repton (Derbyshire). The Vikings establish an encampment with a U-shape ditch, on the south bank of the River Trent and spend the winter there.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1267072669#Britain", "title": "873", "revid": 1267072669, "section": "Events › By place › Britain"}}, {"year": 874, "year_label": "874 CE", "section": "Conflict & Security", "date": null, "text": "Autumn – The Great Heathen Army splits into two bands; Halfdan returns with his forces to Northumbria, along with his brother Ubba, where he establishes a new base on the River Tyne.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1347164206#Britain", "title": "874", "revid": 1347164206, "section": "Events › By place › Britain"}}, {"year": 875, "year_label": "875 CE", "section": "Conflict & Security", "date": null, "text": "Danish Vikings, probably led by Halfdan Ragnarsson, invade Dublin. During the fighting, Eystein Olafsson, king of Dublin, is killed.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1352180718#Britain", "title": "875", "revid": 1352180718, "section": "Events › By place › Britain"}}, {"year": 876, "year_label": "876 CE", "section": "Geopolitics & Diplomacy", "date": null, "text": "Viking leader Halfdan Ragnarsson formally establishes the Danish kingdom of York, after the removal of the puppet king Ricsige of Northumbria, and becomes the first monarch.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1267070562#Britain", "title": "876", "revid": 1267070562, "section": "Events › By place › Britain"}}, {"year": 877, "year_label": "877 CE", "section": "Conflict & Security", "date": null, "text": "Battle of Strangford Lough: King Halfdan I leaves for Ireland, in an attempt to claim the Kingdom of Dublin from his rival Bárid mac Ímair. He is killed in battle at Strangford Lough, and a probable interregnum follows in York.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1267071400#Britain", "title": "877", "revid": 1267071400, "section": "Events › By place › Britain"}}]}