{"slug": "johannes-kepler", "label": "Johannes Kepler", "wikipedia": "https://en.wikipedia.org/wiki/Johannes_Kepler", "wikidata": "https://www.wikidata.org/wiki/Q8963", "qid": "Q8963", "description": "German mathematician and astronomer (1571–1630)", "entries": 10, "years": 10, "span": [1597, 1757], "span_label": ["1597 CE", "1757 CE"], "topics": [{"title": "Science & Discovery", "count": 7}, {"title": "Culture & Society", "count": 1}, {"title": "Religion & Belief", "count": 1}, {"title": "Crime & Justice", "count": 1}], "related": [{"slug": "holy-roman-empire", "label": "Holy Roman Empire", "shared": 1}, {"slug": "prague", "label": "Prague", "shared": 1}, {"slug": "italian-peninsula", "label": "Italian Peninsula", "shared": 1}, {"slug": "milky-way", "label": "Milky Way", "shared": 1}, {"slug": "roman-catholic-church", "label": "Roman Catholic Church", "shared": 1}, {"slug": "galileo-galilei", "label": "Galileo Galilei", "shared": 1}, {"slug": "nicolaus-copernicus", "label": "Nicolaus Copernicus", "shared": 1}, {"slug": "jupiter", "label": "Jupiter", "shared": 1}, {"slug": "halley-s-comet", "label": "Halley's Comet", "shared": 1}, {"slug": "solar-system", "label": "Solar System", "shared": 1}], "items": [{"year": 1597, "year_label": "1597 CE", "section": "Culture & Society", "date": "April 27", "text": "April 27 – Johannes Kepler marries Barbara Muhleck.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1362801855#April–June", "title": "1597", "revid": 1362801855, "section": "Events › April–June"}}, {"year": 1601, "year_label": "1601 CE", "section": "Religion & Belief", "date": "October 26", "text": "October 26 – Johannes Kepler, assistant to Tycho Brahe, is promoted to the position of Royal Mathematician of the Holy Roman Empire after Brahe's sudden death.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1369165918#October–December", "title": "1601", "revid": 1369165918, "section": "Events › October–December"}}, {"year": 1604, "year_label": "1604 CE", "section": "Science & Discovery", "date": "October 9", "text": "October 9 – Kepler's Supernova (SN 1604) is first observed from the northern parts of the Italian Peninsula. Beginning on October 17, Johannes Kepler begins a year's observation of it from Prague. There won't be another supernova visible to the \"naked-eye\" until 1987. , this is the last supernova to be observed in the Milky Way.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1348862771#October–December", "title": "1604", "revid": 1348862771, "section": "Events › October–December"}}, {"year": 1607, "year_label": "1607 CE", "section": "Science & Discovery", "date": "October 27", "text": "October 27 – Halley's Comet is seen by Johannes Kepler.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1358831090#October–December", "title": "1607", "revid": 1358831090, "section": "Events › October–December"}}, {"year": 1609, "year_label": "1609 CE", "section": "Science & Discovery", "date": null, "text": "Johannes Kepler publishes his first two laws of planetary motion in Astronomia nova.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1365588617#Date_unknown", "title": "1609", "revid": 1365588617, "section": "Events › Date unknown"}}, {"year": 1614, "year_label": "1614 CE", "section": "Science & Discovery", "date": null, "text": "Astronomer Johannes Kepler soon begins to employ logarithms, in his description of the Solar System.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1372816433#Date_unknown", "title": "1614", "revid": 1372816433, "section": "Events › Date unknown"}}, {"year": 1615, "year_label": "1615 CE", "section": "Science & Discovery", "date": null, "text": "Johannes Kepler publishes Dissertatio cum Nuncio Sidereo, in response to Galileo's discovery of Jupiter's moons.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1365922608#Date_unknown", "title": "1615", "revid": 1365922608, "section": "Events › Date unknown"}}, {"year": 1618, "year_label": "1618 CE", "section": "Science & Discovery", "date": "March 8", "text": "March 8 – Johannes Kepler discovers the third law of planetary motion (after some initial calculations, he soon rejects the idea, but on May 15 confirms the discovery).", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1365216026#January–March", "title": "1618", "revid": 1365216026, "section": "Events › January–March"}}, {"year": 1620, "year_label": "1620 CE", "section": "Crime & Justice", "date": "August 7", "text": "August 7 – The mother of astronomer Johannes Kepler is arrested for witchcraft.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1363705489#July–September", "title": "1620", "revid": 1363705489, "section": "Events › July–September"}}, {"year": 1757, "year_label": "1757 CE", "section": "Science & Discovery", "date": "April 16", "text": "April 16 – The works of astronomer Galileo Galilei espousing heliocentrism are removed (with the approval of Pope Benedict XIV) from the Index Librorum Prohibitorum list of books banned by Roman Catholic Church, along with \"all books teaching the earth's motion and the sun's immobility\". Other works of heliocentrists Galileo, Nicolaus Copernicus, Johannes Kepler, Diego de Zúñiga and Paolo Foscarini remain on the list.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1370632620#April–June", "title": "1757", "revid": 1370632620, "section": "Events › April–June"}}]}