{"slug": "seisyllwg", "label": "Seisyllwg", "wikipedia": "https://en.wikipedia.org/wiki/Seisyllwg", "wikidata": "https://www.wikidata.org/wiki/Q2456191", "qid": "Q2456191", "description": "kingdom in west Britain", "entries": 11, "years": 11, "span": [854, 920], "span_label": ["854 CE", "920 CE"], "topics": [{"title": "Conflict & Security", "count": 5}, {"title": "Geopolitics & Diplomacy", "count": 2}, {"title": "Deaths", "count": 2}, {"title": "Births", "count": 1}, {"title": "Exploration & Expansion", "count": 1}], "related": [{"slug": "wales", "label": "Wales", "shared": 8}, {"slug": "kingdom-of-gwynedd", "label": "Kingdom of Gwynedd", "shared": 4}, {"slug": "kingdom-of-powys", "label": "Kingdom of Powys", "shared": 3}, {"slug": "hywel-dda", "label": "Hywel Dda", "shared": 3}, {"slug": "mercia", "label": "Mercia", "shared": 1}, {"slug": "kingdom-of-dublin", "label": "Kingdom of Dublin", "shared": 1}, {"slug": "thelfld", "label": "Æthelflæd", "shared": 1}, {"slug": "norsemen", "label": "Norsemen", "shared": 1}, {"slug": "deheubarth", "label": "Deheubarth", "shared": 1}], "items": [{"year": 854, "year_label": "854 CE", "section": "Births", "date": null, "text": "Cadell ap Rhodri, king of Seisyllwg (d. 909)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1341129142#Births", "title": "854", "revid": 1341129142, "section": "Births"}}, {"year": 871, "year_label": "871 CE", "section": "Geopolitics & Diplomacy", "date": null, "text": "King Rhodri Mawr (\"the Great\") of Gwynedd annexes Seisyllwg, uniting most of Wales under his rule (approximate date).", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1341129558#Europe", "title": "871", "revid": 1341129558, "section": "Events › By place › Europe"}}, {"year": 877, "year_label": "877 CE", "section": "Conflict & Security", "date": null, "text": "The Vikings invade Wales once more, and King Rhodri ap Merfyn (\"the Great\") of Gwynedd, Powys and Seisyllwg is forced to flee to Ireland (approximate date).", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1267071400#Britain", "title": "877", "revid": 1267071400, "section": "Events › By place › Britain"}}, {"year": 878, "year_label": "878 CE", "section": "Conflict & Security", "date": null, "text": "King Rhodri the Great of Gwynedd, Powys and Seisyllwg, returns to his kingdoms, but is killed fighting the Mercians of King Ceolwulf II. His kingdoms are divided amongst his three sons: Anarawd, Merfyn and Cadell.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1353695287#Britain", "title": "878", "revid": 1353695287, "section": "Events › By place › Britain"}}, {"year": 881, "year_label": "881 CE", "section": "Conflict & Security", "date": null, "text": "Anarawd, and his brothers Cadell and Merfyn, begin extensive military campaigns to quell resistance in Powys and Seisyllwg (approximate date).", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1341129955#Britain", "title": "881", "revid": 1341129955, "section": "Events › By place › Britain"}}, {"year": 895, "year_label": "895 CE", "section": "Conflict & Security", "date": null, "text": "King Anarawd of Gwynedd is supplied with English troops, to assist in his reconquest of Seisyllwg (Wales). He is successful, and his brother Cadell is finally able to take his rightful place on the Seisyllwg throne.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1346093921#Britain", "title": "895", "revid": 1346093921, "section": "Events › By place › Britain"}}, {"year": 902, "year_label": "902 CE", "section": "Exploration & Expansion", "date": null, "text": "Winter – The Norsemen are expelled from Dublin. After a brief foray into Seisyllwg (Wales), a group, under the Viking lord Ingimundr, settle in the Wirral with the agreement of Lady Æthelflæd of the Mercians.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1341130244#Britain_And_Ireland", "title": "902", "revid": 1341130244, "section": "Events › By place › Britain And Ireland"}}, {"year": 904, "year_label": "904 CE", "section": "Deaths", "date": null, "text": "Prince Hywel ap Cadell of Seisyllwg (Wales) marries Princess Elen of Dyfed. The latter's father, King Llywarch ap Hyfaidd, dies. The throne of Dyfed is claimed by Llywarch's brother, Rhodri ap Hyfaidd, but he is probably forced to flee from Hywel's armies.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1341130856#Britain", "title": "904", "revid": 1341130856, "section": "Events › By place › Britain"}}, {"year": 905, "year_label": "905 CE", "section": "Conflict & Security", "date": null, "text": "Cadell ap Rhodri, king of Seisyllwg (Wales), makes his 25-year-old son Hywel ap Cadell ruler of Dyfed, having conquered that territory. Rhodri ap Hyfaidd, nominally king of Dyfed, is caught and executed, at Arwystli.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1350019271#Britain", "title": "905", "revid": 1350019271, "section": "Events › By place › Britain"}}, {"year": 909, "year_label": "909 CE", "section": "Deaths", "date": null, "text": "Cadell ap Rhodri, king of Seisyllwg (Wales)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1367656270#Deaths", "title": "909", "revid": 1367656270, "section": "Deaths"}}, {"year": 920, "year_label": "920 CE", "section": "Geopolitics & Diplomacy", "date": null, "text": "The Welsh ruler Hywel Dda (\"the Good\") merges Dyfed and Seisyllwg, establishing a new kingdom known as Deheubarth.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1349205100#Britain", "title": "920", "revid": 1349205100, "section": "Events › By place › Britain"}}]}