Episode 1 of 3

Announcement to Royal Astronomical Society

When
14 June 1822
Where
Royal Astronomical Society
Part of
Charles Babbage proposes the difference engine

Babbage announced his invention in a paper to the Royal Astronomical Society on 14 June 1822.

The paper was titled "Note on the application of machinery to the computation of astronomical and mathematical tables." This announcement followed Babbage's completion of a small prototype engine in 1822, which he had begun constructing around 1819.

Sources

  1. Difference engine Wikipedia, revision of 2026-09-29

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.