In what year was penicillin discovered?

Penicillin was discovered in 1928 by Alexander Fleming, who observed that a mold called Penicillium notatum had antimicrobial properties. This discovery marked the beginning of modern antibiotics and had a profound impact on medicine, leading to the development of treatments for various bacterial infections. Fleming's work went largely unrecognized until the 1940s when penicillin was mass-produced and used effectively to treat infections during World War II, saving countless lives. The significance of the 1928 discovery cannot be overstated, as it laid the groundwork for the antibiotic era and transformed healthcare.