med inv 1 By alyssatarnawksy123 200 Galen; Reacheotomy Period: 500 to Jan 20, 2015 History of medican Period: 500 to Dec 31, 1500 Mild Ages Jan 1, 1300 Islanici hospitals health care for the sick Jan 1, 1400 Frenchwoman Jacoba Felicie tries to practice medicine but is denied Jan 1, 1843 Discovered of pathogens Jan 1, 1847 Hand washing Jan 1, 1854 John Snow stops outbreack of cholere Jan 1, 1897 Discovers science of radioactiving Mar 2, 2022 Rhazes discovered differnve between smallpox and measeld