April 12, 1955 ~ announcement of Dr. Jonas Salk's polio vaccine - I still remember Polio and not being able to go to the movies or be in crowds until this...all anti-vaccine folks should be made to read and see the history of just this one disease and its elimination!!!!!!!
35 Astounding And Uplifting Facts About The Universe
Jonas Salk (1914-1995) became a hero overnight when it was announced that he had invented a vaccine for polio. Before Salk created the vaccine, polio was a devastating viral disease that had become epidemic. Each year, thousands of children and adults either died from the disease or were left paralyzed.