{"slug": "boleslaus-i-of-bohemia", "label": "Boleslaus I of Bohemia", "wikipedia": "https://en.wikipedia.org/wiki/Boleslaus_I_of_Bohemia", "wikidata": "https://www.wikidata.org/wiki/Q360112", "qid": "Q360112", "description": "Duke of Bohemia from 935 to 972", "entries": 7, "years": 7, "span": [901, 972], "span_label": ["901 CE", "972 CE"], "topics": [{"title": "Deaths", "count": 3}, {"title": "Births", "count": 2}, {"title": "Geopolitics & Diplomacy", "count": 1}, {"title": "Conflict & Security", "count": 1}], "also_known_as": ["Boleslaus I, Duke of Bohemia", "Boleslav I of Bohemia"], "related": [{"slug": "duchy-of-bohemia", "label": "Duchy of Bohemia", "shared": 5}, {"slug": "east-francia", "label": "East Francia", "shared": 1}, {"slug": "otto-the-great", "label": "Otto the Great", "shared": 1}, {"slug": "prague", "label": "Prague", "shared": 1}, {"slug": "kyiv", "label": "Kyiv", "shared": 1}, {"slug": "military-alliance", "label": "Military alliance", "shared": 1}, {"slug": "krakow", "label": "Kraków", "shared": 1}, {"slug": "mieszko-i", "label": "Mieszko I", "shared": 1}, {"slug": "lviv", "label": "Lviv", "shared": 1}, {"slug": "lesser-poland", "label": "Lesser Poland", "shared": 1}], "items": [{"year": 901, "year_label": "901 CE", "section": "Births", "date": null, "text": "Biagota, probable wife of duke Boleslaus I of Bohemia", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1345013381#Births", "title": "901", "revid": 1345013381, "section": "Births"}}, {"year": 915, "year_label": "915 CE", "section": "Births", "date": null, "text": "Boleslaus I, duke of Bohemia (approximate date)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1341130780#Births", "title": "915", "revid": 1341130780, "section": "Births"}}, {"year": 935, "year_label": "935 CE", "section": "Deaths", "date": "September 28", "text": "September 28 (probable year) – Wenceslaus I, Duke of Bohemia (the subject of the 1853 Christmas carol \"Good King Wenceslas\") is murdered by a group of nobles led by his brother Boleslaus I (\"the Cruel\"), who succeeds him.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1364468168#Europe", "title": "935", "revid": 1364468168, "section": "Events › By place › Europe"}}, {"year": 950, "year_label": "950 CE", "section": "Geopolitics & Diplomacy", "date": null, "text": "Boleslav I, duke of Bohemia, signs a peace treaty with King Otto I of the East Frankish Kingdom. He becomes his ally, but he probably wasn't forced to resume the payment of tribute.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1365260811#Europe", "title": "950", "revid": 1365260811, "section": "Events › By place › Europe"}}, {"year": 965, "year_label": "965 CE", "section": "Conflict & Security", "date": null, "text": "Boleslaus I (the Cruel), duke of Bohemia, expands his territory into the Polish territories of Upper Silesia and Lesser Poland. By occupying the city of Kraków, he controls important trade routes from Prague to Kiev and Lviv. Prince Mieszko I of Poland makes an alliance with Boleslaus and marries his daughter Dobrawa.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1371364470#Europe", "title": "965", "revid": 1371364470, "section": "Events › By place › Europe"}}, {"year": 967, "year_label": "967 CE", "section": "Deaths", "date": null, "text": "Boleslaus I (the Cruel), duke of Bohemia (or 972)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1364919490#Deaths", "title": "967", "revid": 1364919490, "section": "Deaths"}}, {"year": 972, "year_label": "972 CE", "section": "Deaths", "date": null, "text": "Boleslaus I (the Cruel), duke of Bohemia (or 967)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1365272305#Deaths", "title": "972", "revid": 1365272305, "section": "Deaths"}}]}