{"slug": "frederick-william-iv", "label": "Frederick William IV", "wikipedia": "https://en.wikipedia.org/wiki/Frederick_William_IV", "wikidata": "https://www.wikidata.org/wiki/Q57180", "qid": "Q57180", "description": "King of Prussia (1795–1861)", "entries": 6, "years": 6, "span": [1795, 1861], "span_label": ["1795 CE", "1861 CE"], "topics": [{"title": "Deaths", "count": 2}, {"title": "Births", "count": 1}, {"title": "Conflict & Security", "count": 1}, {"title": "Geopolitics & Diplomacy", "count": 1}, {"title": "Health & Medicine", "count": 1}], "related": [{"slug": "march", "label": "March", "shared": 1}, {"slug": "berlin", "label": "Berlin", "shared": 1}, {"slug": "kingdom-of-prussia", "label": "Kingdom of Prussia", "shared": 1}], "items": [{"year": 1795, "year_label": "1795 CE", "section": "Births", "date": "October 15", "text": "October 15 – King Frederick William IV of Prussia (d. 1861)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1352627752#Births", "title": "1795", "revid": 1352627752, "section": "Births"}}, {"year": 1840, "year_label": "1840 CE", "section": "Deaths", "date": "June 7", "text": "June 7 – On the death of Frederick William III of Prussia, he is succeeded on the throne of the Kingdom of Prussia (which he has ruled for more than 40 years) by his eldest son Frederick William IV.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1360387586#April–June", "title": "1840", "revid": 1360387586, "section": "Events › April–June"}}, {"year": 1848, "year_label": "1848 CE", "section": "Conflict & Security", "date": "March 18", "text": "March 18 – At a Berlin barricade, fighting between revolutionaries and royalist forces marks the culmination of the German revolutions of 1848–49. As a result, King Frederick William IV of Prussia is forced to appoint a liberal government.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1370038858#January–March", "title": "1848", "revid": 1370038858, "section": "Events › January–March"}}, {"year": 1849, "year_label": "1849 CE", "section": "Geopolitics & Diplomacy", "date": "March", "text": "March – The Frankfurt Parliament completes its drafting of a liberal constitution, and elects Frederick William IV emperor of the new German national state.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1362576929#January–March", "title": "1849", "revid": 1362576929, "section": "Events › January–March"}}, {"year": 1858, "year_label": "1858 CE", "section": "Health & Medicine", "date": null, "text": "Prince Wilhelm of Prussia becomes regent for his brother, King Frederick William IV, who has suffered a stroke. After Prince William's term acting as a regent for the King had been extended three times, the ailing Frederick William signed a regency charter for him on 7 October 1858, based on an expert opinion from the royal personal physicians.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1371625769#January–March", "title": "1858", "revid": 1371625769, "section": "Events › January–March"}}, {"year": 1861, "year_label": "1861 CE", "section": "Deaths", "date": "January 2", "text": "January 2 – King Frederick William IV of Prussia (b. 1795)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1368946725#January–June", "title": "1861", "revid": 1368946725, "section": "Deaths › January–June"}}]}