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Older Than deck / Events and discoveries

Penicillin discovered

Discovered

1928

Alexander Fleming noticed mould killing bacteria on a dish.

Sources and checks

Checked 2026-10-19: Claude (AI build agent): Wikidata statement compared, passages containing the year extracted from the fetched pages and read. Quotes are short passages from each source, in their original language.

Wikidata P575: 1928Q12190, CC0, retrieved 2026-10-19
“Fleming i sit laboratorie i St. Mary's, Paddington, London (1943) Af Ukendt /Imperial War Museums. Licens: CC BY NC SA 4.0 I 1928 fandt og beskrev den skotske bakteriolog Sir Alexander Fleming penicillin ved et”Lex (Den Store Danske) (in Danish): source, retrieved 2026-10-19
“male toksičnosti i snažna učinka na mikroorganizme. Dobiva se od kultura plijesni Penicillium notatum. Otkrio ga je A. Fleming (1928), a njegova industr. proizvodnja započela je 1942. u SAD-u i Engleskoj. Penicilin se”Hrvatska enciklopedija (in Croatian): source, retrieved 2026-10-19
“e con formula generale: Storia La scoperta della penicillina risale agli studi di A. Fleming , il quale nel 1928 osservò come un fungo, il Penicillium notatum , avesse la proprietà di produrre e di”Sapere.it encyclopedia (De Agostini) (in Italian): source, retrieved 2026-10-19

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