Pensacola was the first European-inhabited settlement in what would later become the United States of America. The first European settlement in the continental United States was Pensacola, which was established on Santa Rosa Island by conquistador Don Tristan tristÃ¡n De luna Y arellano in. 1559
Alexander Fleming discovered penicillin from mold that contaminated a petri dish of Staphylococcus bacteria. Researchers at Oxford University experimented with the new mold that Alexander Fleming had discovered. Penicillin was actually discovered by mistake.
Once Fleming made his discovery he grew a pure culture and discovered it was a Penicillium mould, now known to be Penicillium notatum. Fleming coined the term penicillin to describe the filtrate of a broth culture of the Penicillium mould.