On September 3, 1928, Scottish bacteriologist Alexander Fleming discovered penicillin.
Notes on verification
Well-documented historical fact corroborated by multiple reputable sources including ACS, History.com, PubMed, and Britannica. [tier=gold indep_score=0.983 clusters=3 claim_tier=everyday]
Sources
- Today in History—September 3: Alexander Fleming Finds Penicillin (seed:culture_and_philosophy)
- https://www.acs.org/education/whatischemistry/landmarks/flemingpenicillin.html (corroboration)
- https://www.history.com/this-day-in-history/september-3/penicillin-discovered (corroboration)
- https://pubmed.ncbi.nlm.nih.gov/11190242/ (corroboration)