When were antibiotics invented?

1928

Explanation:

This phenomenon has long been known; it may explain why the ancient Egyptians had the practice of applying a poultice of moldy bread to infected wounds. But it was not until 1928 that penicillin, the first true antibiotic, was discovered by Alexander Fleming, Professor of Bacteriology at St. Mary's Hospital in London.

he impacted the society ith his knowwdge and advance our research by years to come

yup! you are correct it is b.