{"slug": "valdemar-iv-of-denmark", "label": "Valdemar IV of Denmark", "wikipedia": "https://en.wikipedia.org/wiki/Valdemar_IV_of_Denmark", "wikidata": "https://www.wikidata.org/wiki/Q216630", "qid": "Q216630", "description": "King of Denmark", "entries": 13, "years": 10, "span": [1320, 1376], "span_label": ["1320 CE", "1376 CE"], "topics": [{"title": "Conflict & Security", "count": 6}, {"title": "Geopolitics & Diplomacy", "count": 2}, {"title": "Births", "count": 1}, {"title": "Culture & Society", "count": 1}, {"title": "Exploration & Expansion", "count": 1}, {"title": "Health & Medicine", "count": 1}, {"title": "Deaths", "count": 1}], "also_known_as": ["Valdemar IV", "Valdemar IV Atterdag", "Waldemar IV of Denmark"], "related": [{"slug": "magnus-eriksson", "label": "Magnus Eriksson", "shared": 3}, {"slug": "sweden", "label": "Sweden", "shared": 2}, {"slug": "denmark", "label": "Denmark", "shared": 2}, {"slug": "margaret-i-of-denmark", "label": "Margaret I of Denmark", "shared": 1}, {"slug": "august", "label": "August", "shared": 1}, {"slug": "june", "label": "June", "shared": 1}, {"slug": "hanseatic-league", "label": "Hanseatic League", "shared": 1}, {"slug": "gotland", "label": "Gotland", "shared": 1}, {"slug": "visby", "label": "Visby", "shared": 1}, {"slug": "christopher-ii-of-denmark", "label": "Christopher II of Denmark", "shared": 1}, {"slug": "olaf-ii-of-denmark", "label": "Olaf II of Denmark", "shared": 1}], "items": [{"year": 1320, "year_label": "1320 CE", "section": "Births", "date": null, "text": "Valdemar IV Atterdag, King of Denmark (d.1375)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1353685641#Births", "title": "1320", "revid": 1353685641, "section": "Births"}}, {"year": 1340, "year_label": "1340 CE", "section": "Culture & Society", "date": "June 24", "text": "June 24 – Valdemar IV of Denmark, son of deceased King Christopher II, is elected to the throne, following 8 years of interregnum.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1319621241#Events", "title": "1340", "revid": 1319621241, "section": "Events"}}, {"year": 1341, "year_label": "1341 CE", "section": "Exploration & Expansion", "date": null, "text": "The Danish king Valdemar IV Atterdag sells southern Halland for 8000 mark to king Magnus Eriksson of Sweden in order to finance the reunification of Denmark.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1369561422#Date_unknown", "title": "1341", "revid": 1369561422, "section": "Events › Date unknown"}}, {"year": 1359, "year_label": "1359 CE", "section": "Conflict & Security", "date": "June 21", "text": "June 21 – Upon the death of Erik Magnusson, his claims to the Swedish throne die with him, and power is restored undivided to his father, King Magnus. With this unexpected death of Erik Magnusson, a previous promise to give Helsingborg to Denmark was reneged on by Magnus IV Eriksson. But Valdemar IV Atterdag was far too ambitious a ruler to have his plan to reassemble the Danish kingdom fall into pieces, and so he proceeded to invade Scania the next year with his mercenary army.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1297602879#January–December", "title": "1359", "revid": 1297602879, "section": "Events › January–December"}}, {"year": 1360, "year_label": "1360 CE", "section": "Geopolitics & Diplomacy", "date": null, "text": "King Valdemar IV Atterdag of Denmark reconquers Scania, which has been in Swedish possession since 1332.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1292555105#Date_unknown", "title": "1360", "revid": 1292555105, "section": "Events › Date unknown"}}, {"year": 1360, "year_label": "1360 CE", "section": "Conflict & Security", "date": "June", "text": "June – Valdemar IV Atterdag attacks Skåne and conquers Lindholmen Castle.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1292555105#January–December", "title": "1360", "revid": 1292555105, "section": "Events › January–December"}}, {"year": 1360, "year_label": "1360 CE", "section": "Conflict & Security", "date": "August", "text": "August – Peace is concluded between Sweden and Denmark with the arbitration in Helsingborg. Magnus IV Eriksson cedes the Scanian lands except northern Halland to Denmark. In return, Valdemar IV Atterdag must help Magnus against his domestic enemies.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1292555105#January–December", "title": "1360", "revid": 1292555105, "section": "Events › January–December"}}, {"year": 1361, "year_label": "1361 CE", "section": "Conflict & Security", "date": "July 27", "text": "July 27 – Battle of Visby: King Valdemar IV of Denmark conquers the city of Visby by defeating the defending Gutnish country yeomen, and takes Gotland.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1364918335#January–December", "title": "1361", "revid": 1364918335, "section": "Events › January–December"}}, {"year": 1362, "year_label": "1362 CE", "section": "Conflict & Security", "date": "July 8", "text": "July 8 – Valdemar IV of Denmark defeats the Hanseatic League in the naval Battle of Helsingborg.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1360556919#January–December", "title": "1362", "revid": 1360556919, "section": "Events › January–December"}}, {"year": 1368, "year_label": "1368 CE", "section": "Conflict & Security", "date": "May 2", "text": "May 2 – Copenhagen, capital of Denmark, falls to the Hanseatic League four weeks after the April 4 invasion of the kingdom and King Valdemar IV is forced to flee while the city is pillaged and looted by troops led by Bruno von Warendorp.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1371792677#April–June", "title": "1368", "revid": 1371792677, "section": "Events › April–June"}}, {"year": 1375, "year_label": "1375 CE", "section": "Health & Medicine", "date": "October 24", "text": "October 24 – Margaret I of Denmark becomes Regent of Denmark after the death of her father, Valdemar IV.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1370334386#October–December", "title": "1375", "revid": 1370334386, "section": "Events › October–December"}}, {"year": 1375, "year_label": "1375 CE", "section": "Deaths", "date": "October 24", "text": "October 24 – King Valdemar IV of Denmark", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1370334386#Deaths", "title": "1375", "revid": 1370334386, "section": "Deaths"}}, {"year": 1376, "year_label": "1376 CE", "section": "Geopolitics & Diplomacy", "date": "May 3", "text": "May 3 – Olav IV Haakonsson is elected King Oluf II of Denmark, following the death of his grandfather, Valdemar IV, in 1375.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1371264713#April–June", "title": "1376", "revid": 1371264713, "section": "Events › April–June"}}]}