BC / ADBCE / CE

1861 AD

Germ theory

Medicine · Science

Louis Pasteur’s experiments support the role of microorganisms in biological processes and disease.

Precision, calendar, and review
Start
year · no uncertainty qualifier in this record
Calendar and convention
Historical-era years; the source calendar is not identified. No conversion of days is assumed.
Year zero
The scale goes from 1 BCE to 1 CE without year zero. Changing era names changes labels only.
Documentary review
Date not recorded

Reading the date: point event.

Sources

  1. www.pasteur.fr (opens in a new tab)
    Source provenance and scope
    Publication date
    Not identified in metadata; document review pending
    Bibliographic date checked
    2026-09-23

    The correspondence between this reference and individual claims has not yet been itemized.

This record is an editorial synthesis. Consult the sources to check claims and their limits. Chronological relationships alone do not establish causation.

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