1803
Morphine isolated from crude Opium
1899
Aspirin
1908
Sulfanilamide–first anti-infective drug
1912
Phenobarbital: for epilepsy
1913
Vitamins A & B discovered
1922
Insulin–from animal sources
1938
Dilantin–epilepsy
1942
Penicillin
1945
Benadryl–1st antihistamine, H1 blocker
1948
Cortisone–1st systemic corticosteroid
1952
Thorazine
1952
Hydrocortisone–1st topical corticosteroid