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The original was posted on /r/todayilearned by /u/Own-Bullfrog7362 on 2025-08-02 04:54:46+00:00.

Original Title: TIL that In 1947, engineers working on the Mark II computer at Harvard University found a moth stuck in one of the components. They taped the insect in their logbook and labeled it “first actual case of bug being found.” The words “bug” and “debug” soon became a standard part of programming.