{"slug": "charles-babbage", "label": "Charles Babbage", "wikipedia": "https://en.wikipedia.org/wiki/Charles_Babbage", "wikidata": "https://www.wikidata.org/wiki/Q46633", "qid": "Q46633", "description": "English mathematician, philosopher, and engineer (1791–1871)", "entries": 6, "years": 6, "span": [1791, 1871], "span_label": ["1791 CE", "1871 CE"], "topics": [{"title": "Technology & Infrastructure", "count": 4}, {"title": "Births", "count": 1}, {"title": "Deaths", "count": 1}], "related": [{"slug": "september", "label": "September", "shared": 1}], "items": [{"year": 1791, "year_label": "1791 CE", "section": "Births", "date": "December 26", "text": "December 26 – Charles Babbage, British mathematician, inventor (d. 1871)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1365416177#Births", "title": "1791", "revid": 1365416177, "section": "Births"}}, {"year": 1822, "year_label": "1822 CE", "section": "Technology & Infrastructure", "date": "July 3", "text": "July 3 – Charles Babbage publishes a proposal for a difference engine, a forerunner of the modern computer, for calculating logarithms and trigonometric functions. Construction of an operational version will proceed under British Government sponsorship (1823–1832), but it will never be completed.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1367154222#July–September", "title": "1822", "revid": 1367154222, "section": "Events › July–September"}}, {"year": 1833, "year_label": "1833 CE", "section": "Technology & Infrastructure", "date": "June 5", "text": "June 5 – Ada Lovelace and Charles Babbage, both pioneers in developing a computer, are introduced to each other by Mary Somerville.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1369983797#April–June", "title": "1833", "revid": 1369983797, "section": "Events › April–June"}}, {"year": 1834, "year_label": "1834 CE", "section": "Technology & Infrastructure", "date": null, "text": "Charles Babbage begins the conceptual design of the Analytical Engine, a mechanical forerunner of the modern computer. It will not be built in his lifetime.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1360367111#Date_unknown", "title": "1834", "revid": 1360367111, "section": "Events › Date unknown"}}, {"year": 1843, "year_label": "1843 CE", "section": "Technology & Infrastructure", "date": "September", "text": "September – Ada Lovelace translates and expands Menabrea's notes on Charles Babbage's Analytical Engine, including an algorithm for calculating a sequence of Bernoulli numbers, regarded as the world's first computer program.", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1366016136#July–September", "title": "1843", "revid": 1366016136, "section": "Events › July–September"}}, {"year": 1871, "year_label": "1871 CE", "section": "Deaths", "date": "October 18", "text": "October 18 – Charles Babbage, English mathematician, inventor (b. 1791)", "cite": {"url": "https://en.wikipedia.org/w/index.php?oldid=1368649173#July–December", "title": "1871", "revid": 1368649173, "section": "Deaths › July–December"}}]}