Sep 18, 1885 - Development of Rabies Vaccine Nov 16, 1887 - Phenacetin was Developed Jul 9, 1890 - First Isolated Antibodies Dec 9, 1891 - Myedema was treated with sheep thyroid injections Jan 9, 1892- Tuberculin antitoxin was developed Feb 9, 1896 - Addison's disease was treated Nov 9, 1897 - Development of Asprin Sep 9, 1899 - Asprin first marketed (sep 18, 1885