{"slug": "aryabhata", "label": "Aryabhata", "wikipedia": "https://en.wikipedia.org/wiki/Aryabhata", "wikidata": "https://www.wikidata.org/wiki/Q11359", "qid": "Q11359", "description": "Pioneer astronomer who formulated zero, quadratic rules, and earth's rotation.", "entries": 7, "years": 6, "span": [476, 550], "span_label": ["476 CE", "550 CE"], "topics": [{"title": "Science & Discovery", "count": 5}, {"title": "Births", "count": 1}, {"title": "Deaths", "count": 1}], "related": [{"slug": "indian-mathematics", "label": "Indian mathematics", "shared": 2}, {"slug": "december", "label": "December", "shared": 1}, {"slug": "earth", "label": "Earth", "shared": 1}, {"slug": "solar-system", "label": "Solar System", "shared": 1}], "items": [{"year": 476, "year_label": "476 CE", "section": "Science & Discovery", "date": null, "text": "The birth of Aryabhata is traditionally regarded as the beginning of the classical period of Indian mathematics and astronomy.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1355222972#India", "title": "476", "revid": 1355222972, "section": "Events › By place › India"}}, {"year": 476, "year_label": "476 CE", "section": "Births", "date": "December", "text": "December – Aryabhata, Indian mathematician and astronomer (d. 550)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1355222972#Births", "title": "476", "revid": 1355222972, "section": "Births"}}, {"year": 497, "year_label": "497 CE", "section": "Science & Discovery", "date": null, "text": "Aryabhata, Indian astronomer and mathematician, calculates pi (π) as ≈ 62832/20000 = 3.1416, correct to four rounded-off decimal places.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1364907664#Arts_and_sciences", "title": "497", "revid": 1364907664, "section": "Events › By topic › Arts and sciences"}}, {"year": 499, "year_label": "499 CE", "section": "Science & Discovery", "date": null, "text": "Indian mathematician Aryabhata writes his magnum opus, the Āryabhaṭīya.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1367503464#Mathematics", "title": "499", "revid": 1367503464, "section": "Events › By topic › Mathematics"}}, {"year": 511, "year_label": "511 CE", "section": "Science & Discovery", "date": null, "text": "Aryabhata, Indian astronomer and mathematician, comes up with concepts of mathematical equations, one of which explains the rotation of the Earth on its axis. This concept is far ahead of its time and he is fairly accurate in his description of it. He also comes up with a lot of other ideas about the Solar System, but many of them are flawed because he considers the Earth to be the center of the universe. Aryabhata is often given credit for coming up with the number zero and using it as a placeholder.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1364740421#Inventions", "title": "511", "revid": 1364740421, "section": "Events › By topic › Inventions"}}, {"year": 517, "year_label": "517 CE", "section": "Science & Discovery", "date": null, "text": "Aryabhata compiles his manual of mathematics and astronomy (approximate date).", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1340791909#Science", "title": "517", "revid": 1340791909, "section": "Events › By topic › Science"}}, {"year": 550, "year_label": "550 CE", "section": "Deaths", "date": null, "text": "Aryabhata, Indian mathematician-astronomer (b. 476)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1340799644#Deaths", "title": "550", "revid": 1340799644, "section": "Deaths"}}]}